12687967106 has 12 divisors (see below), whose sum is σ = 19097386242. Its totient is φ = 6322246176.

The previous prime is 12687967093. The next prime is 12687967151. The reversal of 12687967106 is 60176978621.

It can be written as a sum of positive squares in 3 ways, for example, as 11799390625 + 888576481 = 108625^2 + 29809^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134750 + ... + 208646.

Almost surely, 2^12687967106 is an apocalyptic number.

12687967106 is a deficient number, since it is larger than the sum of its proper divisors (6409419136).

12687967106 is an frugal number, since it uses more digits than its factorization.

12687967106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74485 (or 74192 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 12687967106 in words is "twelve billion, six hundred eighty-seven million, nine hundred sixty-seven thousand, one hundred six".