12979536 has 20 divisors (see below), whose sum is σ = 33530592. Its totient is φ = 4326496.

The previous prime is 12979531. The next prime is 12979543. The reversal of 12979536 is 63597921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12979531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135156 + ... + 135251.

Almost surely, 2^12979536 is an apocalyptic number.

12979536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12979536 is an abundant number, since it is smaller than the sum of its proper divisors (20551056).

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

12979536 is a wasteful number, since it uses less digits than its factorization.

12979536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270418 (or 270412 counting only the distinct ones).

The product of its digits is 102060, while the sum is 42.

The square root of 12979536 is about 3602.7123115786. The cubic root of 12979536 is about 235.0100252249.

The spelling of 12979536 in words is "twelve million, nine hundred seventy-nine thousand, five hundred thirty-six".