12739077954 has 16 divisors (see below), whose sum is σ = 28309062240. Its totient is φ = 4246359300.

The previous prime is 12739077881. The next prime is 12739077971. The reversal of 12739077954 is 45977093721.

It is a super-2 number, since 2×12739077954² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 235908851 = 12739077954 / (1 + 2 + 7 + 3 + 9 + 0 + 7 + 7 + 9 + 5 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 12739077954.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117954372 + ... + 117954479.

It is an arithmetic number, because the mean of its divisors is an integer number (1769316390).

Almost surely, 2^12739077954 is an apocalyptic number.

12739077954 is an abundant number, since it is smaller than the sum of its proper divisors (15569984286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12739077954 is a wasteful number, since it uses less digits than its factorization.

12739077954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235908862 (or 235908856 counting only the distinct ones).

The product of its (nonzero) digits is 3333960, while the sum is 54.

The spelling of 12739077954 in words is "twelve billion, seven hundred thirty-nine million, seventy-seven thousand, nine hundred fifty-four".