12776464 is an admirable number.
It is an unprimeable number.
Almost surely, 212776464 is an apocalyptic number.
12776464 is the 2919-th centered triangular number.
It is an amenable number.
12776464 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12776464 is a wasteful number, since it uses less digits than its factorization.
12776464 is an odious number, because the sum of its binary digits is odd.
The square root of 12776464 is about 3574.4179945832. The cubic root of 12776464 is about 233.7779567542. Note that the first 3 decimals are identical.
The spelling of 12776464 in words is "twelve million, seven hundred seventy-six thousand, four hundred sixty-four".