12697835472 has 60 divisors (see below), whose sum is σ = 40612921440. Its totient is φ = 3627952704.

The previous prime is 12697835467. The next prime is 12697835473. The reversal of 12697835472 is 27453879621.

It is a happy number.

12697835472 is a `hidden beast` number, since 1 + 2 + 6 + 97 + 8 + 3 + 547 + 2 = 666.

It is a super-2 number, since 2×12697835472² (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 (12697835473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6297522 + ... + 6299537.

It is an arithmetic number, because the mean of its divisors is an integer number (676882024).

Almost surely, 2^12697835472 is an apocalyptic number.

12697835472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12697835472 is an abundant number, since it is smaller than the sum of its proper divisors (27915085968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12697835472 is a wasteful number, since it uses less digits than its factorization.

12697835472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12597080 (or 12597071 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 12697835472 in words is "twelve billion, six hundred ninety-seven million, eight hundred thirty-five thousand, four hundred seventy-two".