11538172 has 24 divisors (see below), whose sum is σ = 22120560. Its totient is φ = 5241600.

The previous prime is 11538133. The next prime is 11538181. The reversal of 11538172 is 27183511.

11538172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11538172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954 + ... + 4897.

It is an arithmetic number, because the mean of its divisors is an integer number (921690).

Almost surely, 2^11538172 is an apocalyptic number.

It is an amenable number.

11538172 is a deficient number, since it is larger than the sum of its proper divisors (10582388).

11538172 is a wasteful number, since it uses less digits than its factorization.

11538172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5901 (or 5899 counting only the distinct ones).

The product of its digits is 1680, while the sum is 28.

The square root of 11538172 is about 3396.7884832589. The cubic root of 11538172 is about 225.9673380632.

The spelling of 11538172 in words is "eleven million, five hundred thirty-eight thousand, one hundred seventy-two".