12 (twelve) is the natural number following 11 and preceding 13. Twelve is a superior highly composite number, divisible by the numbers 2, 3, 4, and 6.
Ancient Hittite relief carving from Yazılıkaya, a sanctuary at Hattusa, depicting twelve gods of the underworld
Image of the globular cluster Messier 12 by Hubble Space Telescope
13 (thirteen) is the natural number following 12 and preceding 14.
Singer Taylor Swift considers the number 13 to be lucky & references throughout her work
Image: Many buttons (4187599550)