12857467 has 16 divisors (see below), whose sum is σ = 15296512. Its totient is φ = 10575360.

The previous prime is 12857443. The next prime is 12857489. The reversal of 12857467 is 76475821.

It is a cyclic number.

It is not a de Polignac number, because 12857467 - 2¹⁹ = 12333179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12857407) 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, 41728 + ... + 42034.

It is an arithmetic number, because the mean of its divisors is an integer number (956032).

Almost surely, 2^12857467 is an apocalyptic number.

12857467 is a deficient number, since it is larger than the sum of its proper divisors (2439045).

12857467 is a wasteful number, since it uses less digits than its factorization.

12857467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538.

The product of its digits is 94080, while the sum is 40.

The square root of 12857467 is about 3585.7310272802. The cubic root of 12857467 is about 234.2709683964.

The spelling of 12857467 in words is "twelve million, eight hundred fifty-seven thousand, four hundred sixty-seven".