12933172 has 24 divisors (see below), whose sum is σ = 26077184. Its totient is φ = 5497632.

The previous prime is 12933161. The next prime is 12933203. The reversal of 12933172 is 27133921.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 12933172.

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, 1738 + ... + 5374.

Almost surely, 2^12933172 is an apocalyptic number.

It is an amenable number.

12933172 is an abundant number, since it is smaller than the sum of its proper divisors (13144012).

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

12933172 is a wasteful number, since it uses less digits than its factorization.

12933172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775 (or 3773 counting only the distinct ones).

The product of its digits is 2268, while the sum is 28.

The square root of 12933172 is about 3596.2719585704. The cubic root of 12933172 is about 234.7298661490.

It can be divided in two parts, 1293 and 3172, that added together give a triangular number (4465 = T₉₄).

The spelling of 12933172 in words is "twelve million, nine hundred thirty-three thousand, one hundred seventy-two".