12698672236 has 12 divisors (see below), whose sum is σ = 22233061312. Its totient is φ = 6346369008.

The previous prime is 12698672227. The next prime is 12698672243. The reversal of 12698672236 is 63227689621.

It is a super-2 number, since 2×12698672236² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 732135 + ... + 749278.

Almost surely, 2^12698672236 is an apocalyptic number.

It is an amenable number.

12698672236 is a deficient number, since it is larger than the sum of its proper divisors (9534389076).

12698672236 is a wasteful number, since it uses less digits than its factorization.

12698672236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483560 (or 1483558 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The spelling of 12698672236 in words is "twelve billion, six hundred ninety-eight million, six hundred seventy-two thousand, two hundred thirty-six".