13072320833 has 16 divisors (see below), whose sum is σ = 16261088256. Its totient is φ = 10324496640.

The previous prime is 13072320787. The next prime is 13072320847. The reversal of 13072320833 is 33802327031.

It is a cyclic number.

It is not a de Polignac number, because 13072320833 - 2²⁸ = 12803885377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13072320833.

It is not an unprimeable number, because it can be changed into a prime (13072350833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2686241 + ... + 2691102.

It is an arithmetic number, because the mean of its divisors is an integer number (1016318016).

Almost surely, 2^13072320833 is an apocalyptic number.

13072320833 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13072320833 is a deficient number, since it is larger than the sum of its proper divisors (3188767423).

13072320833 is a wasteful number, since it uses less digits than its factorization.

13072320833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5377384.

The product of its (nonzero) digits is 18144, while the sum is 32.

Adding to 13072320833 its reverse (33802327031), we get a palindrome (46874647864).

The spelling of 13072320833 in words is "thirteen billion, seventy-two million, three hundred twenty thousand, eight hundred thirty-three".