13172590 has 8 divisors (see below), whose sum is σ = 23710680. Its totient is φ = 5269032.

The previous prime is 13172587. The next prime is 13172597. The reversal of 13172590 is 9527131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13172597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658620 + ... + 658639.

It is an arithmetic number, because the mean of its divisors is an integer number (2963835).

Almost surely, 2^13172590 is an apocalyptic number.

13172590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13172590 is a deficient number, since it is larger than the sum of its proper divisors (10538090).

13172590 is a wasteful number, since it uses less digits than its factorization.

13172590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317266.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 13172590 is about 3629.4062875352. The cubic root of 13172590 is about 236.1694536128.

The spelling of 13172590 in words is "thirteen million, one hundred seventy-two thousand, five hundred ninety".