12044321 has 2 divisors, whose sum is σ = 12044322. Its totient is φ = 12044320.

The previous prime is 12044317. The next prime is 12044327. The reversal of 12044321 is 12344021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10962721 + 1081600 = 3311^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 12044321 - 2² = 12044317 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12044321.

It is not a weakly prime, because it can be changed into another prime (12044327) 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, 6022160 + 6022161.

It is an arithmetic number, because the mean of its divisors is an integer number (6022161).

Almost surely, 2^12044321 is an apocalyptic number.

It is an amenable number.

12044321 is a deficient number, since it is larger than the sum of its proper divisors (1).

12044321 is an equidigital number, since it uses as much as digits as its factorization.

12044321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 12044321 is about 3470.4929044734. The cubic root of 12044321 is about 229.2243626557.

Adding to 12044321 its reverse (12344021), we get a palindrome (24388342).

The spelling of 12044321 in words is "twelve million, forty-four thousand, three hundred twenty-one".