12704009788 has 6 divisors (see below), whose sum is σ = 22232017136. Its totient is φ = 6352004892.

The previous prime is 12704009783. The next prime is 12704009809. The reversal of 12704009788 is 88790040721.

It is a super-2 number, since 2×12704009788² (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 (12704009783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1588001220 + ... + 1588001227.

Almost surely, 2^12704009788 is an apocalyptic number.

It is an amenable number.

12704009788 is a deficient number, since it is larger than the sum of its proper divisors (9528007348).

12704009788 is a wasteful number, since it uses less digits than its factorization.

12704009788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176002451 (or 3176002449 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 46.

The spelling of 12704009788 in words is "twelve billion, seven hundred four million, nine thousand, seven hundred eighty-eight".