8513216 has 28 divisors (see below), whose sum is σ = 17785080. Its totient is φ = 4032000.

The previous prime is 8513207. The next prime is 8513233. The reversal of 8513216 is 6123158.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2285 + ... + 4716.

Almost surely, 2^8513216 is an apocalyptic number.

It is an amenable number.

8513216 is an abundant number, since it is smaller than the sum of its proper divisors (9271864).

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

8513216 is a wasteful number, since it uses less digits than its factorization.

8513216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7032 (or 7022 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 8513216 is about 2917.7415923964. The cubic root of 8513216 is about 204.1884712147.

The spelling of 8513216 in words is "eight million, five hundred thirteen thousand, two hundred sixteen".