12517992886 has 8 divisors (see below), whose sum is σ = 21459416400. Its totient is φ = 5364854088.

The previous prime is 12517992869. The next prime is 12517992901. The reversal of 12517992886 is 68829971521.

12517992886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12517992886.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447071161 + ... + 447071188.

It is an arithmetic number, because the mean of its divisors is an integer number (2682427050).

Almost surely, 2^12517992886 is an apocalyptic number.

12517992886 is a deficient number, since it is larger than the sum of its proper divisors (8941423514).

12517992886 is an equidigital number, since it uses as much as digits as its factorization.

12517992886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894142358.

The product of its digits is 4354560, while the sum is 58.

The spelling of 12517992886 in words is "twelve billion, five hundred seventeen million, nine hundred ninety-two thousand, eight hundred eighty-six".