12144944 has 40 divisors (see below), whose sum is σ = 27453600. Its totient is φ = 5202624.

The previous prime is 12144931. The next prime is 12144959. The reversal of 12144944 is 44944121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4382 + ... + 6594.

It is an arithmetic number, because the mean of its divisors is an integer number (686340).

Almost surely, 2^12144944 is an apocalyptic number.

12144944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12144944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13726800).

12144944 is an abundant number, since it is smaller than the sum of its proper divisors (15308656).

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

12144944 is an equidigital number, since it uses as much as digits as its factorization.

12144944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242 (or 2222 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 12144944 is about 3484.9596841284. The cubic root of 12144944 is about 229.8609367301.

It can be divided in two parts, 121 and 44944, that multiplied together give a square (5438224 = 2332²).

The spelling of 12144944 in words is "twelve million, one hundred forty-four thousand, nine hundred forty-four".