12132208 has 40 divisors (see below), whose sum is σ = 26538480. Its totient is φ = 5322240.

The previous prime is 12132151. The next prime is 12132217. The reversal of 12132208 is 80223121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3916 + ... + 6292.

It is an arithmetic number, because the mean of its divisors is an integer number (663462).

Almost surely, 2^12132208 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 12132208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13269240).

12132208 is an abundant number, since it is smaller than the sum of its proper divisors (14406272).

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

12132208 is a wasteful number, since it uses less digits than its factorization.

12132208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425 (or 2419 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 12132208 is about 3483.1319240017. The cubic root of 12132208 is about 229.7805594467.

Adding to 12132208 its reverse (80223121), we get a palindrome (92355329).

The spelling of 12132208 in words is "twelve million, one hundred thirty-two thousand, two hundred eight".