13512425 has 12 divisors (see below), whose sum is σ = 16946460. Its totient is φ = 10686720.

The previous prime is 13512409. The next prime is 13512461. The reversal of 13512425 is 52421531.

It can be written as a sum of positive squares in 6 ways, for example, as 65536 + 13446889 = 256^2 + 3667^2 .

It is not a de Polignac number, because 13512425 - 2⁴ = 13512409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13512425.

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, 812 + ... + 5261.

It is an arithmetic number, because the mean of its divisors is an integer number (1412205).

Almost surely, 2^13512425 is an apocalyptic number.

It is an amenable number.

13512425 is a deficient number, since it is larger than the sum of its proper divisors (3434035).

13512425 is an equidigital number, since it uses as much as digits as its factorization.

13512425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172 (or 6167 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 13512425 is about 3675.9250536430. The cubic root of 13512425 is about 238.1831852404.

Adding to 13512425 its reverse (52421531), we get a palindrome (65933956).

The spelling of 13512425 in words is "thirteen million, five hundred twelve thousand, four hundred twenty-five".