General fact: 47646 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 47646 is an unremarkable number.
Trivia: 47646 is an uninteresting number.
Historical date: June 13th is the day in 1966 that the United States Supreme Court rules in Miranda v. Arizona that the police must inform suspects of their rights before questioning them.