12994632688 has 20 divisors (see below), whose sum is σ = 25228814320. Its totient is φ = 6483970944.

The previous prime is 12994632653. The next prime is 12994632689. The reversal of 12994632688 is 88623649921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12994632689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826053 + ... + 841636.

It is an arithmetic number, because the mean of its divisors is an integer number (1261440716).

Almost surely, 2^12994632688 is an apocalyptic number.

It is an amenable number.

12994632688 is a deficient number, since it is larger than the sum of its proper divisors (12234181632).

12994632688 is a wasteful number, since it uses less digits than its factorization.

12994632688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668184 (or 1668178 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 58.

The spelling of 12994632688 in words is "twelve billion, nine hundred ninety-four million, six hundred thirty-two thousand, six hundred eighty-eight".