12764456 has 8 divisors (see below), whose sum is σ = 23933370. Its totient is φ = 6382224.

The previous prime is 12764449. The next prime is 12764461. The reversal of 12764456 is 65446721.

It can be written as a sum of positive squares in only one way, i.e., 11628100 + 1136356 = 3410^2 + 1066^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 797771 + ... + 797786.

Almost surely, 2^12764456 is an apocalyptic number.

It is an amenable number.

12764456 is a deficient number, since it is larger than the sum of its proper divisors (11168914).

12764456 is a wasteful number, since it uses less digits than its factorization.

12764456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595563 (or 1595559 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 12764456 is about 3572.7378857117. The cubic root of 12764456 is about 233.7046948142.

The spelling of 12764456 in words is "twelve million, seven hundred sixty-four thousand, four hundred fifty-six".