12960625 has 20 divisors (see below), whose sum is σ = 16447860. Its totient is φ = 10208000.

The previous prime is 12960617. The next prime is 12960643. The reversal of 12960625 is 52606921.

12960625 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 10 ways, for example, as 12559936 + 400689 = 3544^2 + 633^2 .

It is not a de Polignac number, because 12960625 - 2³ = 12960617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55509 + ... + 55741.

It is an arithmetic number, because the mean of its divisors is an integer number (822393).

Almost surely, 2^12960625 is an apocalyptic number.

It is an amenable number.

12960625 is a deficient number, since it is larger than the sum of its proper divisors (3487235).

12960625 is an frugal number, since it uses more digits than its factorization.

12960625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 12960625 is about 3600.0868045090. The cubic root of 12960625 is about 234.8958343234.

The spelling of 12960625 in words is "twelve million, nine hundred sixty thousand, six hundred twenty-five".