12979436 has 6 divisors (see below), whose sum is σ = 22714020. Its totient is φ = 6489716.

The previous prime is 12979433. The next prime is 12979453. The reversal of 12979436 is 63497921.

It is a junction number, because it is equal to n+sod(n) for n = 12979393 and 12979402.

It is not an unprimeable number, because it can be changed into a prime (12979433) 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 as a sum of consecutive naturals, namely, 1622426 + ... + 1622433.

It is an arithmetic number, because the mean of its divisors is an integer number (3785670).

Almost surely, 2^12979436 is an apocalyptic number.

It is an amenable number.

12979436 is a deficient number, since it is larger than the sum of its proper divisors (9734584).

12979436 is a wasteful number, since it uses less digits than its factorization.

12979436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244863 (or 3244861 counting only the distinct ones).

The product of its digits is 81648, while the sum is 41.

The square root of 12979436 is about 3602.6984331193. The cubic root of 12979436 is about 235.0094216835.

The spelling of 12979436 in words is "twelve million, nine hundred seventy-nine thousand, four hundred thirty-six".