12625644 has 12 divisors (see below), whose sum is σ = 29459864. Its totient is φ = 4208544.

The previous prime is 12625631. The next prime is 12625651. The reversal of 12625644 is 44652621.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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, 526057 + ... + 526080.

Almost surely, 2^12625644 is an apocalyptic number.

It is an amenable number.

12625644 is an abundant number, since it is smaller than the sum of its proper divisors (16834220).

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

12625644 is a wasteful number, since it uses less digits than its factorization.

12625644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052144 (or 1052142 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 12625644 is about 3553.2582230961. The cubic root of 12625644 is about 232.8544345494.

The spelling of 12625644 in words is "twelve million, six hundred twenty-five thousand, six hundred forty-four".