12444404 has 12 divisors (see below), whose sum is σ = 24888864. Its totient is φ = 5333304.

The previous prime is 12444389. The next prime is 12444407. The reversal of 12444404 is 40444421.

12444404 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12444404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444407) 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, 222194 + ... + 222249.

It is an arithmetic number, because the mean of its divisors is an integer number (2074072).

Almost surely, 2^12444404 is an apocalyptic number.

12444404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12444404 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.

12444404 is a wasteful number, since it uses less digits than its factorization.

12444404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444454 (or 444452 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 12444404 is about 3527.6626822870. The cubic root of 12444404 is about 231.7348586125.

Adding to 12444404 its reverse (40444421), we get a palindrome (52888825).

The spelling of 12444404 in words is "twelve million, four hundred forty-four thousand, four hundred four".