12120808 has 32 divisors (see below), whose sum is σ = 26242560. Its totient is φ = 5140800.

The previous prime is 12120781. The next prime is 12120833. The reversal of 12120808 is 80802121.

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, 4585 + ... + 6727.

It is an arithmetic number, because the mean of its divisors is an integer number (820080).

Almost surely, 2^12120808 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 12120808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13121280).

12120808 is an abundant number, since it is smaller than the sum of its proper divisors (14121752).

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

12120808 is a wasteful number, since it uses less digits than its factorization.

12120808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257 (or 2253 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 12120808 is about 3481.4950811397. The cubic root of 12120808 is about 229.7085659763.

Adding to 12120808 its reverse (80802121), we get a palindrome (92922929).

The spelling of 12120808 in words is "twelve million, one hundred twenty thousand, eight hundred eight".