12698689852 has 24 divisors (see below), whose sum is σ = 23534053200. Its totient is φ = 5974805760.

The previous prime is 12698689849. The next prime is 12698689891. The reversal of 12698689852 is 25898689621.

It is a super-2 number, since 2×12698689852² (a number of 21 digits) contains 22 as substring.

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, 487027 + ... + 512437.

It is an arithmetic number, because the mean of its divisors is an integer number (980585550).

Almost surely, 2^12698689852 is an apocalyptic number.

It is an amenable number.

12698689852 is a deficient number, since it is larger than the sum of its proper divisors (10835363348).

12698689852 is a wasteful number, since it uses less digits than its factorization.

12698689852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32781 (or 32779 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 64.

The spelling of 12698689852 in words is "twelve billion, six hundred ninety-eight million, six hundred eighty-nine thousand, eight hundred fifty-two".