13609590 has 32 divisors (see below), whose sum is σ = 32921856. Its totient is φ = 3600480.

The previous prime is 13609579. The next prime is 13609601. The reversal of 13609590 is 9590631.

It is an interprime number because it is at equal distance from previous prime (13609579) and next prime (13609601).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2199 + ... + 5661.

It is an arithmetic number, because the mean of its divisors is an integer number (1028808).

Almost surely, 2^13609590 is an apocalyptic number.

13609590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13609590 is an abundant number, since it is smaller than the sum of its proper divisors (19312266).

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

13609590 is a wasteful number, since it uses less digits than its factorization.

13609590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604.

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 13609590 is about 3689.1177807167. The cubic root of 13609590 is about 238.7527306139.

The spelling of 13609590 in words is "thirteen million, six hundred nine thousand, five hundred ninety".