12144744 has 24 divisors (see below), whose sum is σ = 32892210. Its totient is φ = 4048224.

The previous prime is 12144739. The next prime is 12144751. The reversal of 12144744 is 44744121.

It can be written as a sum of positive squares in only one way, i.e., 11819844 + 324900 = 3438^2 + 570^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84267 + ... + 84410.

Almost surely, 2^12144744 is an apocalyptic number.

It is an amenable number.

12144744 is an abundant number, since it is smaller than the sum of its proper divisors (20747466).

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

12144744 is a wasteful number, since it uses less digits than its factorization.

12144744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168689 (or 168682 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 12144744 is about 3484.9309892737. The cubic root of 12144744 is about 229.8596749584.

Adding to 12144744 its reverse (44744121), we get a palindrome (56888865).

The spelling of 12144744 in words is "twelve million, one hundred forty-four thousand, seven hundred forty-four".