13296011921 has 4 divisors (see below), whose sum is σ = 13296670500. Its totient is φ = 13295353344.

The previous prime is 13296011917. The next prime is 13296011923. The reversal of 13296011921 is 12911069231.

It is a happy number.

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 5664067600 + 7631944321 = 75260^2 + 87361^2 .

It is a cyclic number.

It is not a de Polignac number, because 13296011921 - 2² = 13296011917 is a prime.

It is a super-2 number, since 2×13296011921² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13296011923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298016 + ... + 339713.

It is an arithmetic number, because the mean of its divisors is an integer number (3324167625).

Almost surely, 2^13296011921 is an apocalyptic number.

It is an amenable number.

13296011921 is a deficient number, since it is larger than the sum of its proper divisors (658579).

13296011921 is an equidigital number, since it uses as much as digits as its factorization.

13296011921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658578.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 13296011921 in words is "thirteen billion, two hundred ninety-six million, eleven thousand, nine hundred twenty-one".