12513012761 has 8 divisors (see below), whose sum is σ = 13319589600. Its totient is φ = 11721235680.

The previous prime is 12513012749. The next prime is 12513012767. The reversal of 12513012761 is 16721031521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12513012761 - 2⁶ = 12513012697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12513012767) 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, 3698195 + ... + 3701576.

It is an arithmetic number, because the mean of its divisors is an integer number (1664948700).

Almost surely, 2^12513012761 is an apocalyptic number.

It is an amenable number.

12513012761 is a deficient number, since it is larger than the sum of its proper divisors (806576839).

12513012761 is an equidigital number, since it uses as much as digits as its factorization.

12513012761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7399879.

The product of its (nonzero) digits is 2520, while the sum is 29.

The spelling of 12513012761 in words is "twelve billion, five hundred thirteen million, twelve thousand, seven hundred sixty-one".