12938962686 has 16 divisors (see below), whose sum is σ = 27868535184. Its totient is φ = 3981219264.

The previous prime is 12938962679. The next prime is 12938962709. The reversal of 12938962686 is 68626983921.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82941991 + ... + 82942146.

It is an arithmetic number, because the mean of its divisors is an integer number (1741783449).

Almost surely, 2^12938962686 is an apocalyptic number.

12938962686 is an abundant number, since it is smaller than the sum of its proper divisors (14929572498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12938962686 is a wasteful number, since it uses less digits than its factorization.

12938962686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165884155.

The product of its digits is 13436928, while the sum is 60.

The spelling of 12938962686 in words is "twelve billion, nine hundred thirty-eight million, nine hundred sixty-two thousand, six hundred eighty-six".