12857822 has 8 divisors (see below), whose sum is σ = 19355736. Its totient is φ = 6405912.

The previous prime is 12857791. The next prime is 12857827. The reversal of 12857822 is 22875821.

12857822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12857827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10793 + ... + 11924.

It is an arithmetic number, because the mean of its divisors is an integer number (2419467).

Almost surely, 2^12857822 is an apocalyptic number.

12857822 is a deficient number, since it is larger than the sum of its proper divisors (6497914).

12857822 is a wasteful number, since it uses less digits than its factorization.

12857822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23002.

The product of its digits is 17920, while the sum is 35.

The square root of 12857822 is about 3585.7805286994. The cubic root of 12857822 is about 234.2731244828.

The spelling of 12857822 in words is "twelve million, eight hundred fifty-seven thousand, eight hundred twenty-two".