12099208 has 16 divisors (see below), whose sum is σ = 24748560. Its totient is φ = 5499600.

The previous prime is 12099161. The next prime is 12099209. The reversal of 12099208 is 80299021.

It is a self number, because there is not a number n which added to its sum of digits gives 12099208.

It is not an unprimeable number, because it can be changed into a prime (12099209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68658 + ... + 68833.

It is an arithmetic number, because the mean of its divisors is an integer number (1546785).

Almost surely, 2^12099208 is an apocalyptic number.

It is an amenable number.

12099208 is an abundant number, since it is smaller than the sum of its proper divisors (12649352).

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

12099208 is a wasteful number, since it uses less digits than its factorization.

12099208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137508 (or 137504 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 12099208 is about 3478.3915823265. The cubic root of 12099208 is about 229.5720334036.

The spelling of 12099208 in words is "twelve million, ninety-nine thousand, two hundred eight".