Fatto generale: 15317 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 15317 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 15317 is an uninteresting number.
Data storica: December 7th is the day in 1965 that Pope Paul VI and Patriarch Athenagoras simultaneously revoke mutual excommunications that had been in place since 1054.