13686603513 has 8 divisors (see below), whose sum is σ = 19907786976. Its totient is φ = 8294911200.

The previous prime is 13686603503. The next prime is 13686603527. The reversal of 13686603513 is 31530668631.

It is a happy number.

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

It is not a de Polignac number, because 13686603513 - 2⁵ = 13686603481 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13686603503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207372748 + ... + 207372813.

It is an arithmetic number, because the mean of its divisors is an integer number (2488473372).

Almost surely, 2^13686603513 is an apocalyptic number.

It is an amenable number.

13686603513 is a deficient number, since it is larger than the sum of its proper divisors (6221183463).

13686603513 is a wasteful number, since it uses less digits than its factorization.

13686603513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414745575.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 13686603513 in words is "thirteen billion, six hundred eighty-six million, six hundred three thousand, five hundred thirteen".