12733871728 has 20 divisors (see below), whose sum is σ = 24708340440. Its totient is φ = 6357525824.

The previous prime is 12733871713. The next prime is 12733871747. The reversal of 12733871728 is 82717833721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576958 + ... + 598621.

It is an arithmetic number, because the mean of its divisors is an integer number (1235417022).

Almost surely, 2^12733871728 is an apocalyptic number.

It is an amenable number.

12733871728 is a deficient number, since it is larger than the sum of its proper divisors (11974468712).

12733871728 is a wasteful number, since it uses less digits than its factorization.

12733871728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176264 (or 1176258 counting only the distinct ones).

The product of its digits is 790272, while the sum is 49.

The spelling of 12733871728 in words is "twelve billion, seven hundred thirty-three million, eight hundred seventy-one thousand, seven hundred twenty-eight".