12356725 has 6 divisors (see below), whose sum is σ = 15322370. Its totient is φ = 9885360.

The previous prime is 12356717. The next prime is 12356731. The reversal of 12356725 is 52765321.

12356725 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 3 ways, for example, as 1340964 + 11015761 = 1158^2 + 3319^2 .

It is not a de Polignac number, because 12356725 - 2³ = 12356717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 247110 + ... + 247159.

Almost surely, 2^12356725 is an apocalyptic number.

It is an amenable number.

12356725 is a deficient number, since it is larger than the sum of its proper divisors (2965645).

12356725 is an equidigital number, since it uses as much as digits as its factorization.

12356725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494279 (or 494274 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 12356725 is about 3515.2133647903. The cubic root of 12356725 is about 231.1893339767.

The spelling of 12356725 in words is "twelve million, three hundred fifty-six thousand, seven hundred twenty-five".