12973982 has 32 divisors (see below), whose sum is σ = 22982400. Its totient is φ = 5378688.

The previous prime is 12973981. The next prime is 12974011. The reversal of 12973982 is 28937921.

It is a happy number.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12973981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93269 + ... + 93407.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 2^12973982 is an apocalyptic number.

12973982 is a deficient number, since it is larger than the sum of its proper divisors (10008418).

12973982 is a wasteful number, since it uses less digits than its factorization.

12973982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320.

The product of its digits is 54432, while the sum is 41.

The square root of 12973982 is about 3601.9414209562. The cubic root of 12973982 is about 234.9764998381.

The spelling of 12973982 in words is "twelve million, nine hundred seventy-three thousand, nine hundred eighty-two".