12192208 has 40 divisors (see below), whose sum is σ = 28176768. Its totient is φ = 4996992.

The previous prime is 12192197. The next prime is 12192239. The reversal of 12192208 is 80229121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210 + ... + 4942.

Almost surely, 2^12192208 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 12192208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14088384).

12192208 is an abundant number, since it is smaller than the sum of its proper divisors (15984560).

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

12192208 is a wasteful number, since it uses less digits than its factorization.

12192208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4771 (or 4765 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 12192208 is about 3491.7342396007. The cubic root of 12192208 is about 230.1587310087.

It can be divided in two parts, 121 and 92208, that added together give a palindrome (92329).

The spelling of 12192208 in words is "twelve million, one hundred ninety-two thousand, two hundred eight".