13172370 has 32 divisors (see below), whose sum is σ = 32470848. Its totient is φ = 3417408.

The previous prime is 13172363. The next prime is 13172371. The reversal of 13172370 is 7327131.

It is a super-2 number, since 2×13172370² = 347022662833800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13172370.

It is not an unprimeable number, because it can be changed into a prime (13172371) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4824 + ... + 7043.

It is an arithmetic number, because the mean of its divisors is an integer number (1014714).

Almost surely, 2^13172370 is an apocalyptic number.

13172370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13172370 is an abundant number, since it is smaller than the sum of its proper divisors (19298478).

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

13172370 is a wasteful number, since it uses less digits than its factorization.

13172370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11914.

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 13172370 is about 3629.3759794213. The cubic root of 13172370 is about 236.1681388228.

The spelling of 13172370 in words is "thirteen million, one hundred seventy-two thousand, three hundred seventy".