12979772 has 24 divisors (see below), whose sum is σ = 25902576. Its totient is φ = 5637888.

The previous prime is 12979727. The next prime is 12979777. The reversal of 12979772 is 27797921.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12979777) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 6458 + ... + 8225.

It is an arithmetic number, because the mean of its divisors is an integer number (1079274).

Almost surely, 2^12979772 is an apocalyptic number.

It is an amenable number.

12979772 is a deficient number, since it is larger than the sum of its proper divisors (12922804).

12979772 is a wasteful number, since it uses less digits than its factorization.

12979772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14717 (or 14715 counting only the distinct ones).

The product of its digits is 111132, while the sum is 44.

The square root of 12979772 is about 3602.7450645307. The cubic root of 12979772 is about 235.0114495704.

The spelling of 12979772 in words is "twelve million, nine hundred seventy-nine thousand, seven hundred seventy-two".