13306736797 has 18 divisors (see below), whose sum is σ = 13889277818. Its totient is φ = 12747938784.

The previous prime is 13306736783. The next prime is 13306736801. The reversal of 13306736797 is 79763760331.

It can be written as a sum of positive squares in 3 ways, for example, as 742344516 + 12564392281 = 27246^2 + 112091^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13306736797 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 (13306736497) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 48038623 + ... + 48038899.

Almost surely, 2^13306736797 is an apocalyptic number.

It is an amenable number.

13306736797 is a deficient number, since it is larger than the sum of its proper divisors (582541021).

13306736797 is an frugal number, since it uses more digits than its factorization.

13306736797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 3000564, while the sum is 52.

The spelling of 13306736797 in words is "thirteen billion, three hundred six million, seven hundred thirty-six thousand, seven hundred ninety-seven".