12224413 has 2 divisors, whose sum is σ = 12224414. Its totient is φ = 12224412.

The previous prime is 12224389. The next prime is 12224473. The reversal of 12224413 is 31442221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7717284 + 4507129 = 2778^2 + 2123^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12224413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12224473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6112206 + 6112207.

It is an arithmetic number, because the mean of its divisors is an integer number (6112207).

Almost surely, 2^12224413 is an apocalyptic number.

It is an amenable number.

12224413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12224413 is an equidigital number, since it uses as much as digits as its factorization.

12224413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 19.

The square root of 12224413 is about 3496.3428035592. The cubic root of 12224413 is about 230.3612030887.

Adding to 12224413 its reverse (31442221), we get a palindrome (43666634).

The spelling of 12224413 in words is "twelve million, two hundred twenty-four thousand, four hundred thirteen".