8199612 has 36 divisors (see below), whose sum is σ = 20835360. Its totient is φ = 2718912.

The previous prime is 8199599. The next prime is 8199613. The reversal of 8199612 is 2169918.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8199613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8128 + ... + 9080.

It is an arithmetic number, because the mean of its divisors is an integer number (578760).

Almost surely, 2^8199612 is an apocalyptic number.

It is an amenable number.

8199612 is an abundant number, since it is smaller than the sum of its proper divisors (12635748).

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

8199612 is a wasteful number, since it uses less digits than its factorization.

8199612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 1197 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 8199612 is about 2863.4964641152. The cubic root of 8199612 is about 201.6497869289.

The spelling of 8199612 in words is "eight million, one hundred ninety-nine thousand, six hundred twelve".