12935687998 has 8 divisors (see below), whose sum is σ = 20029452480. Its totient is φ = 6259203840.

The previous prime is 12935687971. The next prime is 12935688011. The reversal of 12935687998 is 89978653921.

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

It is a congruent number.

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, 104320003 + ... + 104320126.

It is an arithmetic number, because the mean of its divisors is an integer number (2503681560).

Almost surely, 2^12935687998 is an apocalyptic number.

12935687998 is a deficient number, since it is larger than the sum of its proper divisors (7093764482).

12935687998 is a wasteful number, since it uses less digits than its factorization.

12935687998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208640162.

The product of its digits is 58786560, while the sum is 67.

The spelling of 12935687998 in words is "twelve billion, nine hundred thirty-five million, six hundred eighty-seven thousand, nine hundred ninety-eight".