12944425 has 12 divisors (see below), whose sum is σ = 17286220. Its totient is φ = 9558720.

The previous prime is 12944389. The next prime is 12944443. The reversal of 12944425 is 52444921.

12944425 is digitally balanced in base 3, 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 63504 + 12880921 = 252^2 + 3589^2 .

It is not a de Polignac number, because 12944425 - 2⁷ = 12944297 is a prime.

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, 19590 + ... + 20239.

Almost surely, 2^12944425 is an apocalyptic number.

It is an amenable number.

12944425 is a deficient number, since it is larger than the sum of its proper divisors (4341795).

12944425 is a wasteful number, since it uses less digits than its factorization.

12944425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39852 (or 39847 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 12944425 is about 3597.8361552467. The cubic root of 12944425 is about 234.7979249739.

The spelling of 12944425 in words is "twelve million, nine hundred forty-four thousand, four hundred twenty-five".