8512200 has 72 divisors (see below), whose sum is σ = 28592850. Its totient is φ = 2269440.

The previous prime is 8512193. The next prime is 8512201. The reversal of 8512200 is 22158.

It can be written as a sum of positive squares in 3 ways, for example, as 3663396 + 4848804 = 1914^2 + 2202^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (8512201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 565 + ... + 4164.

Almost surely, 2^8512200 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 8512200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14296425).

8512200 is an abundant number, since it is smaller than the sum of its proper divisors (20080650).

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

8512200 is a wasteful number, since it uses less digits than its factorization.

8512200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4751 (or 4739 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 8512200 is about 2917.5674799394. The cubic root of 8512200 is about 204.1803480119.

Adding to 8512200 its reverse (22158), we get a palindrome (8534358).

The spelling of 8512200 in words is "eight million, five hundred twelve thousand, two hundred".