12642925 has 12 divisors (see below), whose sum is σ = 15725556. Its totient is φ = 10083200.

The previous prime is 12642919. The next prime is 12642979. The reversal of 12642925 is 52924621.

12642925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1447209 + 11195716 = 1203^2 + 3346^2 .

It is not a de Polignac number, because 12642925 - 2¹⁷ = 12511853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10977 + ... + 12073.

It is an arithmetic number, because the mean of its divisors is an integer number (1310463).

Almost surely, 2^12642925 is an apocalyptic number.

It is an amenable number.

12642925 is a deficient number, since it is larger than the sum of its proper divisors (3082631).

12642925 is a wasteful number, since it uses less digits than its factorization.

12642925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568 (or 1563 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 12642925 is about 3555.6891033947. The cubic root of 12642925 is about 232.9606237990.

The spelling of 12642925 in words is "twelve million, six hundred forty-two thousand, nine hundred twenty-five".