12679974 has 48 divisors (see below), whose sum is σ = 28691520. Its totient is φ = 4043520.

The previous prime is 12679957. The next prime is 12679987. The reversal of 12679974 is 47997621.

12679974 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52494 + ... + 52734.

It is an arithmetic number, because the mean of its divisors is an integer number (597740).

Almost surely, 2^12679974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12679974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14345760).

12679974 is an abundant number, since it is smaller than the sum of its proper divisors (16011546).

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

12679974 is a wasteful number, since it uses less digits than its factorization.

12679974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 362 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 12679974 is about 3560.8951121874. The cubic root of 12679974 is about 233.1879588788.

The spelling of 12679974 in words is "twelve million, six hundred seventy-nine thousand, nine hundred seventy-four".