12407137613 has 4 divisors (see below), whose sum is σ = 13361532828. Its totient is φ = 11452742400.

The previous prime is 12407137601. The next prime is 12407137711. The reversal of 12407137613 is 31673170421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7674110404 + 4733027209 = 87602^2 + 68797^2 .

It is a cyclic number.

It is not a de Polignac number, because 12407137613 - 2⁸ = 12407137357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12407137213) 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, 477197588 + ... + 477197613.

It is an arithmetic number, because the mean of its divisors is an integer number (3340383207).

Almost surely, 2^12407137613 is an apocalyptic number.

12407137613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12407137613 is a deficient number, since it is larger than the sum of its proper divisors (954395215).

12407137613 is an equidigital number, since it uses as much as digits as its factorization.

12407137613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954395214.

The product of its (nonzero) digits is 21168, while the sum is 35.

The spelling of 12407137613 in words is "twelve billion, four hundred seven million, one hundred thirty-seven thousand, six hundred thirteen".