12857118 has 16 divisors (see below), whose sum is σ = 26004240. Its totient is φ = 4237376.

The previous prime is 12857113. The next prime is 12857123. The reversal of 12857118 is 81175821.

12857118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12857113) and next prime (12857123).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12857113) 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, 11505 + ... + 12572.

It is an arithmetic number, because the mean of its divisors is an integer number (1625265).

Almost surely, 2^12857118 is an apocalyptic number.

12857118 is an abundant number, since it is smaller than the sum of its proper divisors (13147122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12857118 is a wasteful number, since it uses less digits than its factorization.

12857118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24171.

The product of its digits is 4480, while the sum is 33.

The square root of 12857118 is about 3585.6823618385. The cubic root of 12857118 is about 234.2688487123.

The spelling of 12857118 in words is "twelve million, eight hundred fifty-seven thousand, one hundred eighteen".