12446144 has 14 divisors (see below), whose sum is σ = 24697944. Its totient is φ = 6223040.

The previous prime is 12446143. The next prime is 12446153. The reversal of 12446144 is 44164421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12446143) by changing a digit.

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 as a sum of consecutive naturals, namely, 97172 + ... + 97299.

Almost surely, 2^12446144 is an apocalyptic number.

It is an amenable number.

12446144 is a deficient number, since it is larger than the sum of its proper divisors (12251800).

12446144 is an equidigital number, since it uses as much as digits as its factorization.

12446144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194483 (or 194473 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 12446144 is about 3527.9092958862. The cubic root of 12446144 is about 231.7456586439.

The spelling of 12446144 in words is "twelve million, four hundred forty-six thousand, one hundred forty-four".