12613087413 has 12 divisors (see below), whose sum is σ = 18406729068. Its totient is φ = 8322036480.

The previous prime is 12613087391. The next prime is 12613087427. The reversal of 12613087413 is 31478031621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9120632004 + 3492455409 = 95502^2 + 59097^2 .

It is not a de Polignac number, because 12613087413 - 2⁵ = 12613087381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12613087463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7223118 + ... + 7224863.

It is an arithmetic number, because the mean of its divisors is an integer number (1533894089).

Almost surely, 2^12613087413 is an apocalyptic number.

It is an amenable number.

12613087413 is a deficient number, since it is larger than the sum of its proper divisors (5793641655).

12613087413 is a wasteful number, since it uses less digits than its factorization.

12613087413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14448084 (or 14448081 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 12613087413 in words is "twelve billion, six hundred thirteen million, eighty-seven thousand, four hundred thirteen".