13005000065 has 8 divisors (see below), whose sum is σ = 15825803328. Its totient is φ = 10257464560.

The previous prime is 13005000031. The next prime is 13005000097. The reversal of 13005000065 is 56000050031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13005000065 - 2²⁶ = 12937891201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18316547 + ... + 18317256.

It is an arithmetic number, because the mean of its divisors is an integer number (1978225416).

Almost surely, 2^13005000065 is an apocalyptic number.

It is an amenable number.

13005000065 is a deficient number, since it is larger than the sum of its proper divisors (2820803263).

13005000065 is an equidigital number, since it uses as much as digits as its factorization.

13005000065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36633879.

The product of its (nonzero) digits is 450, while the sum is 20.

Adding to 13005000065 its reverse (56000050031), we get a palindrome (69005050096).

The spelling of 13005000065 in words is "thirteen billion, five million, sixty-five", and thus it is an aban number and an uban number.