Fait général: 13497 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 13497 is a boring number.
Culture générale: 13497 is a boring number.
Date historique: December 13th is the day in 1981 that General Wojciech Jaruzelski declares martial law in Poland to prevent dismantling of the communist system by Solidarity.