12697496888 has 32 divisors (see below), whose sum is σ = 23871162000. Its totient is φ = 6331882752.

The previous prime is 12697496881. The next prime is 12697496921. The reversal of 12697496888 is 88869479621.

It is a happy number.

It is a super-2 number, since 2×12697496888² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12697496881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7472663 + ... + 7474361.

Almost surely, 2^12697496888 is an apocalyptic number.

It is an amenable number.

12697496888 is a deficient number, since it is larger than the sum of its proper divisors (11173665112).

12697496888 is a wasteful number, since it uses less digits than its factorization.

12697496888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639 (or 3635 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 68.

The spelling of 12697496888 in words is "twelve billion, six hundred ninety-seven million, four hundred ninety-six thousand, eight hundred eighty-eight".