Fait général: 13897 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 13897 is a boring number.
Culture générale: 13897 is a boring number.
Date historique: January 17th is the day in 2002 that Mount Nyiragongo erupts in the Democratic Republic of the Congo, displacing an estimated 400,000 people.