12090208 has 24 divisors (see below), whose sum is σ = 25634448. Its totient is φ = 5579904.

The previous prime is 12090173. The next prime is 12090229. The reversal of 12090208 is 80209021.

12090208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 14116 + ... + 14947.

It is an arithmetic number, because the mean of its divisors is an integer number (1068102).

Almost surely, 2^12090208 is an apocalyptic number.

It is an amenable number.

12090208 is an abundant number, since it is smaller than the sum of its proper divisors (13544240).

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

12090208 is a wasteful number, since it uses less digits than its factorization.

12090208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29086 (or 29078 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 12090208 is about 3477.0976402741. The cubic root of 12090208 is about 229.5150968721.

Adding to 12090208 its reverse (80209021), we get a palindrome (92299229).

The spelling of 12090208 in words is "twelve million, ninety thousand, two hundred eight".