12444003 has 48 divisors (see below), whose sum is σ = 21897120. Its totient is φ = 6937920.

The previous prime is 12443999. The next prime is 12444007. The reversal of 12444003 is 30044421.

It is an interprime number because it is at equal distance from previous prime (12443999) and next prime (12444007).

It is not a de Polignac number, because 12444003 - 2² = 12443999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12444007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42325 + ... + 42617.

It is an arithmetic number, because the mean of its divisors is an integer number (456190).

Almost surely, 2^12444003 is an apocalyptic number.

12444003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12444003 is a deficient number, since it is larger than the sum of its proper divisors (9453117).

12444003 is a wasteful number, since it uses less digits than its factorization.

12444003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 12444003 is about 3527.6058453291. The cubic root of 12444003 is about 231.7323694970.

Adding to 12444003 its reverse (30044421), we get a palindrome (42488424).

The spelling of 12444003 in words is "twelve million, four hundred forty-four thousand, three".