12739538306 has 32 divisors (see below), whose sum is σ = 20966783040. Its totient is φ = 5757393600.

The previous prime is 12739538303. The next prime is 12739538311. The reversal of 12739538306 is 60383593721.

It is not an unprimeable number, because it can be changed into a prime (12739538303) 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, 2933885 + ... + 2938223.

It is an arithmetic number, because the mean of its divisors is an integer number (655211970).

Almost surely, 2^12739538306 is an apocalyptic number.

12739538306 is a deficient number, since it is larger than the sum of its proper divisors (8227244734).

12739538306 is a wasteful number, since it uses less digits than its factorization.

12739538306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5090.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 12739538306 in words is "twelve billion, seven hundred thirty-nine million, five hundred thirty-eight thousand, three hundred six".