12692425 has 6 divisors (see below), whose sum is σ = 15738638. Its totient is φ = 10153920.

The previous prime is 12692371. The next prime is 12692429. The reversal of 12692425 is 52429621.

12692425 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 3 ways, for example, as 1375929 + 11316496 = 1173^2 + 3364^2 .

It is not a de Polignac number, because 12692425 - 2¹⁵ = 12659657 is a prime.

It is a super-2 number, since 2×12692425² = 322195304761250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12692429) 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, 253824 + ... + 253873.

Almost surely, 2^12692425 is an apocalyptic number.

It is an amenable number.

12692425 is a deficient number, since it is larger than the sum of its proper divisors (3046213).

12692425 is an equidigital number, since it uses as much as digits as its factorization.

12692425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507707 (or 507702 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 12692425 is about 3562.6429795869. The cubic root of 12692425 is about 233.2642595995.

The spelling of 12692425 in words is "twelve million, six hundred ninety-two thousand, four hundred twenty-five".