12972924 has 36 divisors (see below), whose sum is σ = 32998056. Its totient is φ = 4297248.

The previous prime is 12972901. The next prime is 12972929. The reversal of 12972924 is 42927921.

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 (12972929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5187 + ... + 7269.

Almost surely, 2^12972924 is an apocalyptic number.

It is an amenable number.

12972924 is an abundant number, since it is smaller than the sum of its proper divisors (20025132).

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

12972924 is a wasteful number, since it uses less digits than its factorization.

12972924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266 (or 2261 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 12972924 is about 3601.7945527195. The cubic root of 12972924 is about 234.9701123904.

The spelling of 12972924 in words is "twelve million, nine hundred seventy-two thousand, nine hundred twenty-four".