13037425 has 6 divisors (see below), whose sum is σ = 16166438. Its totient is φ = 10429920.

The previous prime is 13037411. The next prime is 13037429. The reversal of 13037425 is 52473031.

It can be written as a sum of positive squares in 3 ways, for example, as 12544 + 13024881 = 112^2 + 3609^2 .

It is not a de Polignac number, because 13037425 - 2¹⁵ = 13004657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 521497 = 13037425 / (1 + 3 + 0 + 3 + 7 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13037425.

It is not an unprimeable number, because it can be changed into a prime (13037429) 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, 260724 + ... + 260773.

Almost surely, 2^13037425 is an apocalyptic number.

It is an amenable number.

13037425 is a deficient number, since it is larger than the sum of its proper divisors (3129013).

13037425 is an equidigital number, since it uses as much as digits as its factorization.

13037425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521507 (or 521502 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 13037425 is about 3610.7374593011. The cubic root of 13037425 is about 235.3588902864.

The spelling of 13037425 in words is "thirteen million, thirty-seven thousand, four hundred twenty-five".