13006405599 has 32 divisors (see below), whose sum is σ = 19079504640. Its totient is φ = 7815840000.

The previous prime is 13006405589. The next prime is 13006405681. The reversal of 13006405599 is 99550460031.

It is not a de Polignac number, because 13006405599 - 2⁴ = 13006405583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13006405599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13006405519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1893379 + ... + 1900235.

It is an arithmetic number, because the mean of its divisors is an integer number (596234520).

Almost surely, 2^13006405599 is an apocalyptic number.

13006405599 is a deficient number, since it is larger than the sum of its proper divisors (6073099041).

13006405599 is a wasteful number, since it uses less digits than its factorization.

13006405599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351.

The product of its (nonzero) digits is 145800, while the sum is 42.

The spelling of 13006405599 in words is "thirteen billion, six million, four hundred five thousand, five hundred ninety-nine".