13031252 has 36 divisors (see below), whose sum is σ = 25409916. Its totient is φ = 5840640.

The previous prime is 13031243. The next prime is 13031261. The reversal of 13031252 is 25213031.

It is an interprime number because it is at equal distance from previous prime (13031243) and next prime (13031261).

It can be written as a sum of positive squares in 6 ways, for example, as 948676 + 12082576 = 974^2 + 3476^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13031252.

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 11 ways as a sum of consecutive naturals, for example, 24752 + ... + 25272.

It is an arithmetic number, because the mean of its divisors is an integer number (705831).

Almost surely, 2^13031252 is an apocalyptic number.

It is an amenable number.

13031252 is a deficient number, since it is larger than the sum of its proper divisors (12378664).

13031252 is a wasteful number, since it uses less digits than its factorization.

13031252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 13031252 is about 3609.8825465657. The cubic root of 13031252 is about 235.3217382723.

Adding to 13031252 its reverse (25213031), we get a palindrome (38244283).

The spelling of 13031252 in words is "thirteen million, thirty-one thousand, two hundred fifty-two".