12736467620624 has 40 divisors (see below), whose sum is σ = 26921057343840. Its totient is φ = 5789132230400.

The previous prime is 12736467620621. The next prime is 12736467620663. The reversal of 12736467620624 is 42602676463721.

It is a self number, because there is not a number n which added to its sum of digits gives 12736467620624.

It is not an unprimeable number, because it can be changed into a prime (12736467620621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4994507 + ... + 7100565.

It is an arithmetic number, because the mean of its divisors is an integer number (673026433596).

Almost surely, 2^{12736467620624} is an apocalyptic number.

It is an amenable number.

12736467620624 is an abundant number, since it is smaller than the sum of its proper divisors (14184589723216).

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

12736467620624 is a wasteful number, since it uses less digits than its factorization.

12736467620624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140439 (or 2140433 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 56.

The spelling of 12736467620624 in words is "twelve trillion, seven hundred thirty-six billion, four hundred sixty-seven million, six hundred twenty thousand, six hundred twenty-four".