12644924 has 12 divisors (see below), whose sum is σ = 22643544. Its totient is φ = 6175344.

The previous prime is 12644921. The next prime is 12644941. The reversal of 12644924 is 42944621.

It is a hoax number, since the sum of its digits (32) 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 (12644921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36587 + ... + 36930.

It is an arithmetic number, because the mean of its divisors is an integer number (1886962).

Almost surely, 2^12644924 is an apocalyptic number.

It is an amenable number.

12644924 is a deficient number, since it is larger than the sum of its proper divisors (9998620).

12644924 is a wasteful number, since it uses less digits than its factorization.

12644924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73564 (or 73562 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 12644924 is about 3555.9701911012. The cubic root of 12644924 is about 232.9729011200.

The spelling of 12644924 in words is "twelve million, six hundred forty-four thousand, nine hundred twenty-four".