12927389305 has 32 divisors (see below), whose sum is σ = 17063654400. Its totient is φ = 9358175232.

The previous prime is 12927389297. The next prime is 12927389311. The reversal of 12927389305 is 50398372921.

It is not a de Polignac number, because 12927389305 - 2³ = 12927389297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 578164 + ... + 600106.

It is an arithmetic number, because the mean of its divisors is an integer number (533239200).

Almost surely, 2^12927389305 is an apocalyptic number.

It is an amenable number.

12927389305 is a deficient number, since it is larger than the sum of its proper divisors (4136265095).

12927389305 is a wasteful number, since it uses less digits than its factorization.

12927389305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22233.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 12927389305 in words is "twelve billion, nine hundred twenty-seven million, three hundred eighty-nine thousand, three hundred five".