12144412 has 12 divisors (see below), whose sum is σ = 24288880. Its totient is φ = 5204736.

The previous prime is 12144403. The next prime is 12144413. The reversal of 12144412 is 21444121.

12144412 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 12144412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144413) 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 in 3 ways as a sum of consecutive naturals, for example, 216837 + ... + 216892.

Almost surely, 2^12144412 is an apocalyptic number.

It is an amenable number.

12144412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12144412 is a wasteful number, since it uses less digits than its factorization.

12144412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433740 (or 433738 counting only the distinct ones).

The product of its digits is 256, while the sum is 19.

The square root of 12144412 is about 3484.8833552933. The cubic root of 12144412 is about 229.8575803868.

Adding to 12144412 its reverse (21444121), we get a palindrome (33588533).

The spelling of 12144412 in words is "twelve million, one hundred forty-four thousand, four hundred twelve".