12764646 has 24 divisors (see below), whose sum is σ = 27743040. Its totient is φ = 4241616.

The previous prime is 12764623. The next prime is 12764651. The reversal of 12764646 is 64646721.

12764646 is a `hidden beast` number, since 1 + 2 + 7 + 6 + 4 + 646 = 666.

12764646 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12764646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6091 + ... + 7913.

It is an arithmetic number, because the mean of its divisors is an integer number (1155960).

Almost surely, 2^12764646 is an apocalyptic number.

12764646 is an abundant number, since it is smaller than the sum of its proper divisors (14978394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12764646 is a wasteful number, since it uses less digits than its factorization.

12764646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220 (or 2217 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 12764646 is about 3572.7644758646. The cubic root of 12764646 is about 233.7058543798.

The spelling of 12764646 in words is "twelve million, seven hundred sixty-four thousand, six hundred forty-six".