12402625 has 16 divisors (see below), whose sum is σ = 15576912. Its totient is φ = 9859200.

The previous prime is 12402617. The next prime is 12402641. The reversal of 12402625 is 52620421.

It can be written as a sum of positive squares in 8 ways, for example, as 11029041 + 1373584 = 3321^2 + 1172^2 .

It is not a de Polignac number, because 12402625 - 2³ = 12402617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12402596 and 12402605.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38967 + ... + 39283.

It is an arithmetic number, because the mean of its divisors is an integer number (973557).

Almost surely, 2^12402625 is an apocalyptic number.

It is an amenable number.

12402625 is a deficient number, since it is larger than the sum of its proper divisors (3174287).

12402625 is an equidigital number, since it uses as much as digits as its factorization.

12402625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 12402625 is about 3521.7360775617. The cubic root of 12402625 is about 231.4752370859.

The spelling of 12402625 in words is "twelve million, four hundred two thousand, six hundred twenty-five".