12768357 has 16 divisors (see below), whose sum is σ = 19725440. Its totient is φ = 7195392.

The previous prime is 12768347. The next prime is 12768383. The reversal of 12768357 is 75386721.

It is not a de Polignac number, because 12768357 - 2⁴ = 12768341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12768307) 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, 2632 + ... + 5697.

It is an arithmetic number, because the mean of its divisors is an integer number (1232840).

Almost surely, 2^12768357 is an apocalyptic number.

It is an amenable number.

12768357 is a deficient number, since it is larger than the sum of its proper divisors (6957083).

12768357 is an equidigital number, since it uses as much as digits as its factorization.

12768357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8412.

The product of its digits is 70560, while the sum is 39.

The square root of 12768357 is about 3573.2837838604. The cubic root of 12768357 is about 233.7285002197.

The spelling of 12768357 in words is "twelve million, seven hundred sixty-eight thousand, three hundred fifty-seven".