12898897756 has 24 divisors (see below), whose sum is σ = 23307154304. Its totient is φ = 6239816640.

The previous prime is 12898897729. The next prime is 12898897763. The reversal of 12898897756 is 65779889821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586006 + ... + 607618.

Almost surely, 2^12898897756 is an apocalyptic number.

It is an amenable number.

12898897756 is a deficient number, since it is larger than the sum of its proper divisors (10408256548).

12898897756 is a wasteful number, since it uses less digits than its factorization.

12898897756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26461 (or 26459 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 70.

The spelling of 12898897756 in words is "twelve billion, eight hundred ninety-eight million, eight hundred ninety-seven thousand, seven hundred fifty-six".