12444331 has 8 divisors (see below), whose sum is σ = 12801600. Its totient is φ = 12091008.

The previous prime is 12444319. The next prime is 12444337. The reversal of 12444331 is 13344421.

12444331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12444331 - 2⁹ = 12443819 is a prime.

It is a super-2 number, since 2×12444331² = 309722748075122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12444337) 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, 6115 + ... + 7891.

It is an arithmetic number, because the mean of its divisors is an integer number (1600200).

Almost surely, 2^12444331 is an apocalyptic number.

12444331 is a deficient number, since it is larger than the sum of its proper divisors (357269).

12444331 is a wasteful number, since it uses less digits than its factorization.

12444331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973.

The product of its digits is 1152, while the sum is 22.

The square root of 12444331 is about 3527.6523354775. The cubic root of 12444331 is about 231.7344054857.

Adding to 12444331 its reverse (13344421), we get a palindrome (25788752).

The spelling of 12444331 in words is "twelve million, four hundred forty-four thousand, three hundred thirty-one".