12855764 has 12 divisors (see below), whose sum is σ = 22564500. Its totient is φ = 6408768.

The previous prime is 12855751. The next prime is 12855767. The reversal of 12855764 is 46755821.

It can be written as a sum of positive squares in 2 ways, for example, as 5522500 + 7333264 = 2350^2 + 2708^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12855767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3209 + ... + 6000.

It is an arithmetic number, because the mean of its divisors is an integer number (1880375).

Almost surely, 2^12855764 is an apocalyptic number.

It is an amenable number.

12855764 is a deficient number, since it is larger than the sum of its proper divisors (9708736).

12855764 is a wasteful number, since it uses less digits than its factorization.

12855764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9562 (or 9560 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 12855764 is about 3585.4935504056. The cubic root of 12855764 is about 234.2606247034.

The spelling of 12855764 in words is "twelve million, eight hundred fifty-five thousand, seven hundred sixty-four".