8563212 has 96 divisors (see below), whose sum is σ = 26019840. Its totient is φ = 2384640.

The previous prime is 8563187. The next prime is 8563237. The reversal of 8563212 is 2123658.

8563212 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8563187) and next prime (8563237).

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35412 + ... + 35652.

It is an arithmetic number, because the mean of its divisors is an integer number (271040).

Almost surely, 2^8563212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8563212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13009920).

8563212 is an abundant number, since it is smaller than the sum of its proper divisors (17456628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8563212 is a wasteful number, since it uses less digits than its factorization.

8563212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 300 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 8563212 is about 2926.2966356814. The cubic root of 8563212 is about 204.5874073140.

It can be divided in two parts, 856 and 3212, that multiplied together give a palindrome (2749472).

The spelling of 8563212 in words is "eight million, five hundred sixty-three thousand, two hundred twelve".