12687928898 has 8 divisors (see below), whose sum is σ = 19436827392. Its totient is φ = 6208986436.

The previous prime is 12687928867. The next prime is 12687928901. The reversal of 12687928898 is 89882978621.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67488890 + ... + 67489077.

It is an arithmetic number, because the mean of its divisors is an integer number (2429603424).

Almost surely, 2^12687928898 is an apocalyptic number.

12687928898 is a deficient number, since it is larger than the sum of its proper divisors (6748898494).

12687928898 is a wasteful number, since it uses less digits than its factorization.

12687928898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134978016.

The product of its digits is 55738368, while the sum is 68.

The spelling of 12687928898 in words is "twelve billion, six hundred eighty-seven million, nine hundred twenty-eight thousand, eight hundred ninety-eight".