13

This number is a prime.

Taylor Swift's favorite prime number is 13. "Swifties" have their own conspiracy theory:

* The date of Super Bowl LVIII in 2024 is 2/11; 2 + 11 = 13.
* This is Super Bowl 58; 5 + 8 = 13.
* The Chiefs are playing the 49ers and 4 + 9 = 13.
* If she attends this Super Bowl, it will her 13th time attending a Kansas City Chiefs game.
* If she flies to Vegas from Tokyo, the flight will be roughly 13 hours.
* Taylor was born on December 13.
* She turned 13 on a Friday the 13th.
* Her first No. 1 song had a 13-second intro.
* Her first album went gold in 13 weeks.