12863974 has 4 divisors (see below), whose sum is σ = 19295964. Its totient is φ = 6431986.

The previous prime is 12863953. The next prime is 12863989. The reversal of 12863974 is 47936821.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215992 + ... + 3215995.

It is an arithmetic number, because the mean of its divisors is an integer number (4823991).

Almost surely, 2^12863974 is an apocalyptic number.

12863974 is a deficient number, since it is larger than the sum of its proper divisors (6431990).

12863974 is an equidigital number, since it uses as much as digits as its factorization.

12863974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6431989.

The product of its digits is 72576, while the sum is 40.

The square root of 12863974 is about 3586.6382588714. The cubic root of 12863974 is about 234.3104822474.

The spelling of 12863974 in words is "twelve million, eight hundred sixty-three thousand, nine hundred seventy-four".