12444136 has 32 divisors (see below), whose sum is σ = 25383240. Its totient is φ = 5695488.

The previous prime is 12444097. The next prime is 12444137. The reversal of 12444136 is 63144421.

It can be written as a sum of positive squares in 4 ways, for example, as 12292036 + 152100 = 3506^2 + 390^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12444136.

It is not an unprimeable number, because it can be changed into a prime (12444137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3796 + ... + 6268.

Almost surely, 2^12444136 is an apocalyptic number.

It is an amenable number.

12444136 is an abundant number, since it is smaller than the sum of its proper divisors (12939104).

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

12444136 is a wasteful number, since it uses less digits than its factorization.

12444136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533 (or 2529 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 12444136 is about 3527.6246965912. The cubic root of 12444136 is about 231.7331950699.

Adding to 12444136 its reverse (63144421), we get a palindrome (75588557).

The spelling of 12444136 in words is "twelve million, four hundred forty-four thousand, one hundred thirty-six".