8212856 has 16 divisors (see below), whose sum is σ = 15469800. Its totient is φ = 4087584.

The previous prime is 8212849. The next prime is 8212873. The reversal of 8212856 is 6582128.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410 + ... + 4073.

Almost surely, 2^8212856 is an apocalyptic number.

It is an amenable number.

8212856 is a deficient number, since it is larger than the sum of its proper divisors (7256944).

8212856 is a wasteful number, since it uses less digits than its factorization.

8212856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718 (or 4714 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 8212856 is about 2865.8080884805. The cubic root of 8212856 is about 201.7582966645.

The spelling of 8212856 in words is "eight million, two hundred twelve thousand, eight hundred fifty-six".