13172368 has 20 divisors (see below), whose sum is σ = 27841968. Its totient is φ = 5987360.

The previous prime is 13172363. The next prime is 13172371. The reversal of 13172368 is 86327131.

13172368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13172368² = 347022557454848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13172363) 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, 37246 + ... + 37597.

Almost surely, 2^13172368 is an apocalyptic number.

It is an amenable number.

13172368 is an abundant number, since it is smaller than the sum of its proper divisors (14669600).

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

13172368 is a wasteful number, since it uses less digits than its factorization.

13172368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74862 (or 74856 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 13172368 is about 3629.3757038918. The cubic root of 13172368 is about 236.1681268701.

Adding to 13172368 its reverse (86327131), we get a palindrome (99499499).

The spelling of 13172368 in words is "thirteen million, one hundred seventy-two thousand, three hundred sixty-eight".