12644333 has 8 divisors (see below), whose sum is σ = 13661088. Its totient is φ = 11633904.

The previous prime is 12644299. The next prime is 12644341. The reversal of 12644333 is 33344621.

It is a happy number.

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 12644333 - 2⁸ = 12644077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12644353) 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, 3110 + ... + 5912.

It is an arithmetic number, because the mean of its divisors is an integer number (1707636).

Almost surely, 2^12644333 is an apocalyptic number.

12644333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12644333 is a deficient number, since it is larger than the sum of its proper divisors (1016755).

12644333 is a wasteful number, since it uses less digits than its factorization.

12644333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163.

The product of its digits is 5184, while the sum is 26.

The square root of 12644333 is about 3555.8870904459. The cubic root of 12644333 is about 232.9692714915.

Adding to 12644333 its reverse (33344621), we get a palindrome (45988954).

The spelling of 12644333 in words is "twelve million, six hundred forty-four thousand, three hundred thirty-three".