12799038313 has 4 divisors (see below), whose sum is σ = 12854929540. Its totient is φ = 12743147088.

The previous prime is 12799038311. The next prime is 12799038331. The reversal of 12799038313 is 31383099721.

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 10624867929 + 2174170384 = 103077^2 + 46628^2 .

It is a cyclic number.

It is not a de Polignac number, because 12799038313 - 2¹ = 12799038311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12799038311) 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, 27945270 + ... + 27945727.

It is an arithmetic number, because the mean of its divisors is an integer number (3213732385).

Almost surely, 2^12799038313 is an apocalyptic number.

It is an amenable number.

12799038313 is a deficient number, since it is larger than the sum of its proper divisors (55891227).

12799038313 is an equidigital number, since it uses as much as digits as its factorization.

12799038313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55891226.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 12799038313 in words is "twelve billion, seven hundred ninety-nine million, thirty-eight thousand, three hundred thirteen".