12246144 has 32 divisors (see below), whose sum is σ = 32529840. Its totient is φ = 4081920.

The previous prime is 12246131. The next prime is 12246163. The reversal of 12246144 is 44164221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

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 3 ways as a sum of consecutive naturals, for example, 15562 + ... + 16329.

Almost surely, 2^12246144 is an apocalyptic number.

It is an amenable number.

12246144 is an abundant number, since it is smaller than the sum of its proper divisors (20283696).

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

12246144 is an equidigital number, since it uses as much as digits as its factorization.

12246144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31908 (or 31896 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 12246144 is about 3499.4490995012. The cubic root of 12246144 is about 230.4976245240.

The spelling of 12246144 in words is "twelve million, two hundred forty-six thousand, one hundred forty-four".