13374972 has 36 divisors (see below), whose sum is σ = 36410920. Its totient is φ = 4115232.

The previous prime is 13374961. The next prime is 13374973. The reversal of 13374972 is 27947331.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13374973) 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 11 ways as a sum of consecutive naturals, for example, 13822 + ... + 14757.

Almost surely, 2^13374972 is an apocalyptic number.

13374972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13374972 is an abundant number, since it is smaller than the sum of its proper divisors (23035948).

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

13374972 is a wasteful number, since it uses less digits than its factorization.

13374972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28602 (or 28597 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 13374972 is about 3657.1808814988. The cubic root of 13374972 is about 237.3728042826.

The spelling of 13374972 in words is "thirteen million, three hundred seventy-four thousand, nine hundred seventy-two".