12857794 has 16 divisors (see below), whose sum is σ = 20371680. Its totient is φ = 6069600.

The previous prime is 12857791. The next prime is 12857827. The reversal of 12857794 is 49775821.

It is a self number, because there is not a number n which added to its sum of digits gives 12857794.

It is not an unprimeable number, because it can be changed into a prime (12857791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21094 + ... + 21694.

It is an arithmetic number, because the mean of its divisors is an integer number (1273230).

Almost surely, 2^12857794 is an apocalyptic number.

12857794 is a deficient number, since it is larger than the sum of its proper divisors (7513886).

12857794 is a wasteful number, since it uses less digits than its factorization.

12857794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185.

The product of its digits is 141120, while the sum is 43.

The square root of 12857794 is about 3585.7766243870. The cubic root of 12857794 is about 234.2729544267.

The spelling of 12857794 in words is "twelve million, eight hundred fifty-seven thousand, seven hundred ninety-four".