13117590 has 48 divisors (see below), whose sum is σ = 35594208. Its totient is φ = 3345408.

The previous prime is 13117579. The next prime is 13117661. The reversal of 13117590 is 9571131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1099 + ... + 5238.

It is an arithmetic number, because the mean of its divisors is an integer number (741546).

Almost surely, 2^13117590 is an apocalyptic number.

13117590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13117590 is an abundant number, since it is smaller than the sum of its proper divisors (22476618).

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

13117590 is a wasteful number, since it uses less digits than its factorization.

13117590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6373 (or 6370 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The square root of 13117590 is about 3621.8213650041. The cubic root of 13117590 is about 235.8402994054.

The spelling of 13117590 in words is "thirteen million, one hundred seventeen thousand, five hundred ninety".