13205502513 has 12 divisors (see below), whose sum is σ = 21799559808. Its totient is φ = 7546001400.

The previous prime is 13205502511. The next prime is 13205502523. The reversal of 13205502513 is 31520550231.

It is a happy number.

It is not a de Polignac number, because 13205502513 - 2¹ = 13205502511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13205502511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104805513 + ... + 104805638.

It is an arithmetic number, because the mean of its divisors is an integer number (1816629984).

Almost surely, 2^13205502513 is an apocalyptic number.

It is an amenable number.

13205502513 is a deficient number, since it is larger than the sum of its proper divisors (8594057295).

13205502513 is a wasteful number, since it uses less digits than its factorization.

13205502513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209611164 (or 209611161 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 13205502513 in words is "thirteen billion, two hundred five million, five hundred two thousand, five hundred thirteen".