8520212 has 24 divisors (see below), whose sum is σ = 15985536. Its totient is φ = 3963168.

The previous prime is 8520191. The next prime is 8520241. The reversal of 8520212 is 2120258.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2153 + ... + 4655.

It is an arithmetic number, because the mean of its divisors is an integer number (666064).

Almost surely, 2^8520212 is an apocalyptic number.

It is an amenable number.

8520212 is a deficient number, since it is larger than the sum of its proper divisors (7465324).

8520212 is a wasteful number, since it uses less digits than its factorization.

8520212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567 (or 2565 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 8520212 is about 2918.9402186410. The cubic root of 8520212 is about 204.2443886423.

The spelling of 8520212 in words is "eight million, five hundred twenty thousand, two hundred twelve".