12513804732953 has 4 divisors (see below), whose sum is σ = 12515968633728. Its totient is φ = 12511640832180.

The previous prime is 12513804732901. The next prime is 12513804732959. The reversal of 12513804732953 is 35923740831521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12513804732953 - 2¹⁸ = 12513804470809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12513804732895 and 12513804732904.

It is not an unprimeable number, because it can be changed into a prime (12513804732959) 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, 1081941713 + ... + 1081953278.

It is an arithmetic number, because the mean of its divisors is an integer number (3128992158432).

Almost surely, 2^{12513804732953} is an apocalyptic number.

It is an amenable number.

12513804732953 is a deficient number, since it is larger than the sum of its proper divisors (2163900775).

12513804732953 is an equidigital number, since it uses as much as digits as its factorization.

12513804732953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163900774.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 12513804732953 in words is "twelve trillion, five hundred thirteen billion, eight hundred four million, seven hundred thirty-two thousand, nine hundred fifty-three".