12708273556 has 24 divisors (see below), whose sum is σ = 24274373760. Its totient is φ = 5773363200.

The previous prime is 12708273521. The next prime is 12708273563. The reversal of 12708273556 is 65537280721.

It is a congruent number.

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, 5140 + ... + 159508.

It is an arithmetic number, because the mean of its divisors is an integer number (1011432240).

Almost surely, 2^12708273556 is an apocalyptic number.

It is an amenable number.

12708273556 is a deficient number, since it is larger than the sum of its proper divisors (11566100204).

12708273556 is a wasteful number, since it uses less digits than its factorization.

12708273556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156255 (or 156253 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 12708273556 in words is "twelve billion, seven hundred eight million, two hundred seventy-three thousand, five hundred fifty-six".