The number 13 may feel unlucky to some, but it's Taylor Swift's lucky number. Whether you’re a Taylor Swift enthusiast who notices the artist’s lucky number every time it pops up or just a ...

The number 13 may feel unlucky to some, but it's Taylor Swift's lucky number. Whether you’re a Taylor Swift enthusiast who notices the artist’s lucky number every time it pops up or just a ...

Triskaidekaphobia is the term for an irrational fear of the number 13, a superstition so powerful it shapes buildings, travel, and even the lives of the famous.

What is it about Fridays and the number 13 that sends people into a superstitious tizzy? To find out, you need to go back a few thousands years or so.

The number 13 is often associated with Taylor Swift. The number 13 has long been associated with Swift. She famously wrote the number on the back of her hand during her Fearless Tour in 2009 and 2010.

The reasons for 13 being a number of ill omen are many and varied. Some link it back to the Last Supper (with Judas playing the role of the dinner guest no one really wants to invite).

It’s 13’s proximity to the number 12 that makes it look bad, according to scientists and mathematicians. In many ancient cultures, 12 was considered to be a perfect number.