13127117687 has 8 divisors (see below), whose sum is σ = 13243507200. Its totient is φ = 13011206904.

The previous prime is 13127117683. The next prime is 13127117753. The reversal of 13127117687 is 78671172131.

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

It is a cyclic number.

It is not a de Polignac number, because 13127117687 - 2² = 13127117683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13127117683) 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, 64487 + ... + 174392.

It is an arithmetic number, because the mean of its divisors is an integer number (1655438400).

Almost surely, 2^13127117687 is an apocalyptic number.

13127117687 is a deficient number, since it is larger than the sum of its proper divisors (116389513).

13127117687 is a wasteful number, since it uses less digits than its factorization.

13127117687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239365.

The product of its digits is 98784, while the sum is 44.

The spelling of 13127117687 in words is "thirteen billion, one hundred twenty-seven million, one hundred seventeen thousand, six hundred eighty-seven".