12624621 has 16 divisors (see below), whose sum is σ = 17260800. Its totient is φ = 8205120.

The previous prime is 12624617. The next prime is 12624629. The reversal of 12624621 is 12642621.

It is not a de Polignac number, because 12624621 - 2² = 12624617 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12624591 and 12624600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12624629) 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 15 ways as a sum of consecutive naturals, for example, 27036 + ... + 27498.

It is an arithmetic number, because the mean of its divisors is an integer number (1078800).

Almost surely, 2^12624621 is an apocalyptic number.

It is an amenable number.

12624621 is a deficient number, since it is larger than the sum of its proper divisors (4636179).

12624621 is a wasteful number, since it uses less digits than its factorization.

12624621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676.

The product of its digits is 1152, while the sum is 24.

The square root of 12624621 is about 3553.1142677938. The cubic root of 12624621 is about 232.8481453252.

The spelling of 12624621 in words is "twelve million, six hundred twenty-four thousand, six hundred twenty-one".