12736979560 has 64 divisors (see below), whose sum is σ = 30006910080. Its totient is φ = 4856544000.

The previous prime is 12736979551. The next prime is 12736979573. The reversal of 12736979560 is 6597963721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245935 + ... + 293185.

It is an arithmetic number, because the mean of its divisors is an integer number (468857970).

Almost surely, 2^12736979560 is an apocalyptic number.

12736979560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12736979560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15003455040).

12736979560 is an abundant number, since it is smaller than the sum of its proper divisors (17269930520).

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

12736979560 is a wasteful number, since it uses less digits than its factorization.

12736979560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47578 (or 47574 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 55.

The spelling of 12736979560 in words is "twelve billion, seven hundred thirty-six million, nine hundred seventy-nine thousand, five hundred sixty".