Fait mathématique: 86913 is an uninteresting number.
Culture générale: 86913 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: December 16th is the day in 1930 that Bank robber Herman Lamm and members of his crew are killed by a posse of 200, following a botched bank robbery in Clinton, Indiana.