12768705 has 16 divisors (see below), whose sum is σ = 22700160. Its totient is φ = 6809904.

The previous prime is 12768697. The next prime is 12768709. The reversal of 12768705 is 50786721.

It is not a de Polignac number, because 12768705 - 2³ = 12768697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12768705.

It is not an unprimeable number, because it can be changed into a prime (12768709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47157 + ... + 47426.

It is an arithmetic number, because the mean of its divisors is an integer number (1418760).

Almost surely, 2^12768705 is an apocalyptic number.

12768705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12768705 is a deficient number, since it is larger than the sum of its proper divisors (9931455).

12768705 is an equidigital number, since it uses as much as digits as its factorization.

12768705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94597 (or 94591 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 12768705 is about 3573.3324782337. The cubic root of 12768705 is about 233.7306236143.

The spelling of 12768705 in words is "twelve million, seven hundred sixty-eight thousand, seven hundred five".