13312590 has 16 divisors (see below), whose sum is σ = 31950288. Its totient is φ = 3550016.

The previous prime is 13312589. The next prime is 13312591. The reversal of 13312590 is 9521331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13312589) and next prime (13312591).

It is a self number, because there is not a number n which added to its sum of digits gives 13312590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221847 + ... + 221906.

It is an arithmetic number, because the mean of its divisors is an integer number (1996893).

Almost surely, 2^13312590 is an apocalyptic number.

13312590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13312590 is an abundant number, since it is smaller than the sum of its proper divisors (18637698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13312590 is a wasteful number, since it uses less digits than its factorization.

13312590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443763.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 13312590 is about 3648.6422132075. The cubic root of 13312590 is about 237.0031867684.

The spelling of 13312590 in words is "thirteen million, three hundred twelve thousand, five hundred ninety".