Fatto generale: 12764 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 12764 is a boring number.
Trivia: 12764 is an unremarkable number.
Data storica: December 11th is the day in 1980 that the Comprehensive Environmental Response, Compensation, and Liability Act, also known as CERCLA or Superfund, is enacted by the U.S. Congress.