12932705855 has 4 divisors (see below), whose sum is σ = 15519247032. Its totient is φ = 10346164680.

The previous prime is 12932705803. The next prime is 12932705869. The reversal of 12932705855 is 55850723921.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12932705855 - 2²² = 12928511551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293270581 + ... + 1293270590.

It is an arithmetic number, because the mean of its divisors is an integer number (3879811758).

Almost surely, 2^12932705855 is an apocalyptic number.

12932705855 is a deficient number, since it is larger than the sum of its proper divisors (2586541177).

12932705855 is an equidigital number, since it uses as much as digits as its factorization.

12932705855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586541176.

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 12932705855 in words is "twelve billion, nine hundred thirty-two million, seven hundred five thousand, eight hundred fifty-five".