15113172 has 24 divisors (see below), whose sum is σ = 35342496. Its totient is φ = 5026528.

The previous prime is 15113171. The next prime is 15113183. The reversal of 15113172 is 27131151.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15113171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5638 + ... + 7874.

It is an arithmetic number, because the mean of its divisors is an integer number (1472604).

Almost surely, 2^15113172 is an apocalyptic number.

15113172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15113172 is an abundant number, since it is smaller than the sum of its proper divisors (20229324).

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

15113172 is a wasteful number, since it uses less digits than its factorization.

15113172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807 (or 2805 counting only the distinct ones).

The product of its digits is 210, while the sum is 21.

The square root of 15113172 is about 3887.5663338392. The cubic root of 15113172 is about 247.2398899819.

The spelling of 15113172 in words is "fifteen million, one hundred thirteen thousand, one hundred seventy-two".