12739108388 has 6 divisors (see below), whose sum is σ = 22293439686. Its totient is φ = 6369554192.

The previous prime is 12739108387. The next prime is 12739108409. The reversal of 12739108388 is 88380193721.

It can be written as a sum of positive squares in only one way, i.e., 12716621824 + 22486564 = 112768^2 + 4742^2 .

It is not an unprimeable number, because it can be changed into a prime (12739108387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1592388545 + ... + 1592388552.

It is an arithmetic number, because the mean of its divisors is an integer number (3715573281).

Almost surely, 2^12739108388 is an apocalyptic number.

It is an amenable number.

12739108388 is a deficient number, since it is larger than the sum of its proper divisors (9554331298).

12739108388 is a wasteful number, since it uses less digits than its factorization.

12739108388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3184777101 (or 3184777099 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 12739108388 in words is "twelve billion, seven hundred thirty-nine million, one hundred eight thousand, three hundred eighty-eight".