12427144 has 16 divisors (see below), whose sum is σ = 23371200. Its totient is φ = 6194832.

The previous prime is 12427139. The next prime is 12427147. The reversal of 12427144 is 44172421.

It is not an unprimeable number, because it can be changed into a prime (12427147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709 + ... + 5035.

It is an arithmetic number, because the mean of its divisors is an integer number (1460700).

Almost surely, 2^12427144 is an apocalyptic number.

It is an amenable number.

12427144 is a deficient number, since it is larger than the sum of its proper divisors (10944056).

12427144 is a wasteful number, since it uses less digits than its factorization.

12427144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4692 (or 4688 counting only the distinct ones).

The product of its digits is 1792, while the sum is 25.

The square root of 12427144 is about 3525.2154544084. The cubic root of 12427144 is about 231.6276727036.

Adding to 12427144 its reverse (44172421), we get a palindrome (56599565).

The spelling of 12427144 in words is "twelve million, four hundred twenty-seven thousand, one hundred forty-four".