12927726938 has 32 divisors (see below), whose sum is σ = 22676160000. Its totient is φ = 5525250192.

The previous prime is 12927726937. The next prime is 12927726943. The reversal of 12927726938 is 83962772921.

It is a super-2 number, since 2×12927726938² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12927726937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226088 + ... + 277436.

It is an arithmetic number, because the mean of its divisors is an integer number (708630000).

Almost surely, 2^12927726938 is an apocalyptic number.

12927726938 is a deficient number, since it is larger than the sum of its proper divisors (9748433062).

12927726938 is an equidigital number, since it uses as much as digits as its factorization.

12927726938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51739 (or 51725 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 56.

The spelling of 12927726938 in words is "twelve billion, nine hundred twenty-seven million, seven hundred twenty-six thousand, nine hundred thirty-eight".