8523212 has 6 divisors (see below), whose sum is σ = 14915628. Its totient is φ = 4261604.

The previous prime is 8523211. The next prime is 8523223. The reversal of 8523212 is 2123258.

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

It is not an unprimeable number, because it can be changed into a prime (8523211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065398 + ... + 1065405.

It is an arithmetic number, because the mean of its divisors is an integer number (2485938).

Almost surely, 2^8523212 is an apocalyptic number.

It is an amenable number.

8523212 is a deficient number, since it is larger than the sum of its proper divisors (6392416).

8523212 is a wasteful number, since it uses less digits than its factorization.

8523212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130807 (or 2130805 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 8523212 is about 2919.4540585527. The cubic root of 8523212 is about 204.2683575789.

The spelling of 8523212 in words is "eight million, five hundred twenty-three thousand, two hundred twelve".