8091212 has 6 divisors (see below), whose sum is σ = 14159628. Its totient is φ = 4045604.

The previous prime is 8091173. The next prime is 8091221. The reversal of 8091212 is 2121908.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011398 + ... + 1011405.

It is an arithmetic number, because the mean of its divisors is an integer number (2359938).

Almost surely, 2^8091212 is an apocalyptic number.

It is an amenable number.

8091212 is a deficient number, since it is larger than the sum of its proper divisors (6068416).

8091212 is a wasteful number, since it uses less digits than its factorization.

8091212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022807 (or 2022805 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 8091212 is about 2844.5055809402. The cubic root of 8091212 is about 200.7572293999.

The spelling of 8091212 in words is "eight million, ninety-one thousand, two hundred twelve".