12513365641 has 12 divisors (see below), whose sum is σ = 14564611728. Its totient is φ = 10719664872.

The previous prime is 12513365567. The next prime is 12513365647. The reversal of 12513365641 is 14656331521.

It is not a de Polignac number, because 12513365641 - 2¹³ = 12513357449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12513365641.

It is not an unprimeable number, because it can be changed into a prime (12513365647) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 16110 + ... + 159016.

It is an arithmetic number, because the mean of its divisors is an integer number (1213717644).

Almost surely, 2^12513365641 is an apocalyptic number.

It is an amenable number.

12513365641 is a deficient number, since it is larger than the sum of its proper divisors (2051246087).

12513365641 is a wasteful number, since it uses less digits than its factorization.

12513365641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144708 (or 144701 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The spelling of 12513365641 in words is "twelve billion, five hundred thirteen million, three hundred sixty-five thousand, six hundred forty-one".