12401444 has 24 divisors (see below), whose sum is σ = 24494400. Its totient is φ = 5442080.

The previous prime is 12401437. The next prime is 12401447. The reversal of 12401444 is 44410421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12401447) 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 7 ways as a sum of consecutive naturals, for example, 3584 + ... + 6135.

It is an arithmetic number, because the mean of its divisors is an integer number (1020600).

Almost surely, 2^12401444 is an apocalyptic number.

It is an amenable number.

12401444 is a deficient number, since it is larger than the sum of its proper divisors (12092956).

12401444 is a wasteful number, since it uses less digits than its factorization.

12401444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9763 (or 9761 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 12401444 is about 3521.5684005852. The cubic root of 12401444 is about 231.4678896915.

Adding to 12401444 its reverse (44410421), we get a palindrome (56811865).

The spelling of 12401444 in words is "twelve million, four hundred one thousand, four hundred forty-four".