12855862 has 4 divisors (see below), whose sum is σ = 19283796. Its totient is φ = 6427930.

The previous prime is 12855851. The next prime is 12855877. The reversal of 12855862 is 26855821.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3213964 + ... + 3213967.

It is an arithmetic number, because the mean of its divisors is an integer number (4820949).

Almost surely, 2^12855862 is an apocalyptic number.

12855862 is a deficient number, since it is larger than the sum of its proper divisors (6427934).

12855862 is an equidigital number, since it uses as much as digits as its factorization.

12855862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6427933.

The product of its digits is 38400, while the sum is 37.

The square root of 12855862 is about 3585.5072165595. The cubic root of 12855862 is about 234.2612199613.

The spelling of 12855862 in words is "twelve million, eight hundred fifty-five thousand, eight hundred sixty-two".