12654775513 has 4 divisors (see below), whose sum is σ = 13204983168. Its totient is φ = 12104567860.

The previous prime is 12654775487. The next prime is 12654775519. The reversal of 12654775513 is 31557745621.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31557745621 = 37493 ⋅841697.

It is a cyclic number.

It is not a de Polignac number, because 12654775513 - 2⁵ = 12654775481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12654775519) 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, 275103793 + ... + 275103838.

It is an arithmetic number, because the mean of its divisors is an integer number (3301245792).

Almost surely, 2^12654775513 is an apocalyptic number.

It is an amenable number.

12654775513 is a deficient number, since it is larger than the sum of its proper divisors (550207655).

12654775513 is an equidigital number, since it uses as much as digits as its factorization.

12654775513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550207654.

The product of its digits is 882000, while the sum is 46.

The spelling of 12654775513 in words is "twelve billion, six hundred fifty-four million, seven hundred seventy-five thousand, five hundred thirteen".