13278939712 has 28 divisors (see below), whose sum is σ = 26551560816. Its totient is φ = 6588782720.

The previous prime is 13278939691. The next prime is 13278939719. The reversal of 13278939712 is 21793987231.

It is a self number, because there is not a number n which added to its sum of digits gives 13278939712.

It is not an unprimeable number, because it can be changed into a prime (13278939719) 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, 783538 + ... + 800305.

Almost surely, 2^13278939712 is an apocalyptic number.

It is an amenable number.

13278939712 is a deficient number, since it is larger than the sum of its proper divisors (13272621104).

13278939712 is a wasteful number, since it uses less digits than its factorization.

13278939712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583986 (or 1583976 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 52.

The spelling of 13278939712 in words is "thirteen billion, two hundred seventy-eight million, nine hundred thirty-nine thousand, seven hundred twelve".