12444413 has 2 divisors, whose sum is σ = 12444414. Its totient is φ = 12444412.

The previous prime is 12444407. The next prime is 12444437. The reversal of 12444413 is 31444421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10004569 + 2439844 = 3163^2 + 1562^2 .

It is a cyclic number.

It is not a de Polignac number, because 12444413 - 2¹² = 12440317 is a prime.

It is equal to p₈₁₅₃₃₃ and since 12444413 and 815333 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12444473) 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, 6222206 + 6222207.

It is an arithmetic number, because the mean of its divisors is an integer number (6222207).

Almost surely, 2^12444413 is an apocalyptic number.

It is an amenable number.

12444413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12444413 is an equidigital number, since it uses as much as digits as its factorization.

12444413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 23.

The square root of 12444413 is about 3527.6639579189. The cubic root of 12444413 is about 231.7349144773.

Adding to 12444413 its reverse (31444421), we get a palindrome (43888834).

The spelling of 12444413 in words is "twelve million, four hundred forty-four thousand, four hundred thirteen".