8163212 has 6 divisors (see below), whose sum is σ = 14285628. Its totient is φ = 4081604.

The previous prime is 8163193. The next prime is 8163227. The reversal of 8163212 is 2123618.

It is an alternating number because its digits alternate between even and odd.

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 as a sum of consecutive naturals, namely, 1020398 + ... + 1020405.

It is an arithmetic number, because the mean of its divisors is an integer number (2380938).

Almost surely, 2^8163212 is an apocalyptic number.

It is an amenable number.

8163212 is a deficient number, since it is larger than the sum of its proper divisors (6122416).

8163212 is a wasteful number, since it uses less digits than its factorization.

8163212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040807 (or 2040805 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 8163212 is about 2857.1335285562. The cubic root of 8163212 is about 201.3509540689.

The spelling of 8163212 in words is "eight million, one hundred sixty-three thousand, two hundred twelve".