12507925 has 6 divisors (see below), whose sum is σ = 15509858. Its totient is φ = 10006320.

The previous prime is 12507923. The next prime is 12507931. The reversal of 12507925 is 52970521.

It can be written as a sum of positive squares in 3 ways, for example, as 18769 + 12489156 = 137^2 + 3534^2 .

It is not a de Polignac number, because 12507925 - 2¹ = 12507923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12507923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250134 + ... + 250183.

Almost surely, 2^12507925 is an apocalyptic number.

It is an amenable number.

12507925 is a deficient number, since it is larger than the sum of its proper divisors (3001933).

12507925 is an equidigital number, since it uses as much as digits as its factorization.

12507925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500327 (or 500322 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 12507925 is about 3536.6544925961. The cubic root of 12507925 is about 232.1284774412.

The spelling of 12507925 in words is "twelve million, five hundred seven thousand, nine hundred twenty-five".