12979824 has 160 divisors (see below), whose sum is σ = 41330688. Its totient is φ = 3456000.

The previous prime is 12979819. The next prime is 12979847. The reversal of 12979824 is 42897921.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212754 + ... + 212814.

Almost surely, 2^12979824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12979824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20665344).

12979824 is an abundant number, since it is smaller than the sum of its proper divisors (28350864).

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

12979824 is a wasteful number, since it uses less digits than its factorization.

12979824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 121 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 12979824 is about 3602.7522812428. The cubic root of 12979824 is about 235.0117634069.

The spelling of 12979824 in words is "twelve million, nine hundred seventy-nine thousand, eight hundred twenty-four".