12099144 has 32 divisors (see below), whose sum is σ = 30363840. Its totient is φ = 4017600.

The previous prime is 12099133. The next prime is 12099151. The reversal of 12099144 is 44199021.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6654 + ... + 8274.

It is an arithmetic number, because the mean of its divisors is an integer number (948870).

Almost surely, 2^12099144 is an apocalyptic number.

It is an amenable number.

12099144 is an abundant number, since it is smaller than the sum of its proper divisors (18264696).

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

12099144 is a wasteful number, since it uses less digits than its factorization.

12099144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941 (or 1937 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 12099144 is about 3478.3823826601. The cubic root of 12099144 is about 229.5716286213.

The spelling of 12099144 in words is "twelve million, ninety-nine thousand, one hundred forty-four".