12444631 has 2 divisors, whose sum is σ = 12444632. Its totient is φ = 12444630.

The previous prime is 12444611. The next prime is 12444637. The reversal of 12444631 is 13644421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12444631 - 2⁷ = 12444503 is a prime.

It is a super-2 number, since 2×12444631² = 309737681452322, which contains 22 as substring.

It is equal to p₈₁₅₃₄₄ and since 12444631 and 815344 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 12444596 and 12444605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12444637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6222315 + 6222316.

It is an arithmetic number, because the mean of its divisors is an integer number (6222316).

Almost surely, 2^12444631 is an apocalyptic number.

12444631 is a deficient number, since it is larger than the sum of its proper divisors (1).

12444631 is an equidigital number, since it uses as much as digits as its factorization.

12444631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 12444631 is about 3527.6948564183. The cubic root of 12444631 is about 231.7362676392.

The spelling of 12444631 in words is "twelve million, four hundred forty-four thousand, six hundred thirty-one".