12744233 has 2 divisors, whose sum is σ = 12744234. Its totient is φ = 12744232.

The previous prime is 12744229. The next prime is 12744241. The reversal of 12744233 is 33244721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12482089 + 262144 = 3533^2 + 512^2 .

It is an emirp because it is prime and its reverse (33244721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12744233 - 2² = 12744229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12744223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6372116 + 6372117.

It is an arithmetic number, because the mean of its divisors is an integer number (6372117).

Almost surely, 2^12744233 is an apocalyptic number.

It is an amenable number.

12744233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12744233 is an equidigital number, since it uses as much as digits as its factorization.

12744233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 26.

The square root of 12744233 is about 3569.9065814108. The cubic root of 12744233 is about 233.5812084656.

Adding to 12744233 its reverse (33244721), we get a palindrome (45988954).

The spelling of 12744233 in words is "twelve million, seven hundred forty-four thousand, two hundred thirty-three".