12974644 has 24 divisors (see below), whose sum is σ = 24214400. Its totient is φ = 6065280.

The previous prime is 12974641. The next prime is 12974653. The reversal of 12974644 is 44647921.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12974641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4924 + ... + 7084.

Almost surely, 2^12974644 is an apocalyptic number.

It is an amenable number.

12974644 is a deficient number, since it is larger than the sum of its proper divisors (11239756).

12974644 is a wasteful number, since it uses less digits than its factorization.

12974644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263 (or 2261 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 12974644 is about 3602.0333146710. The cubic root of 12974644 is about 234.9804963442.

The spelling of 12974644 in words is "twelve million, nine hundred seventy-four thousand, six hundred forty-four".