13244443 has 2 divisors, whose sum is σ = 13244444. Its totient is φ = 13244442.

The previous prime is 13244431. The next prime is 13244447. The reversal of 13244443 is 34444231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13244443 is a prime.

It is not a weakly prime, because it can be changed into another prime (13244447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6622221 + 6622222.

It is an arithmetic number, because the mean of its divisors is an integer number (6622222).

Almost surely, 2^13244443 is an apocalyptic number.

13244443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13244443 is an equidigital number, since it uses as much as digits as its factorization.

13244443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 25.

The square root of 13244443 is about 3639.2915519370. The cubic root of 13244443 is about 236.5980891919.

Adding to 13244443 its reverse (34444231), we get a palindrome (47688674).

The spelling of 13244443 in words is "thirteen million, two hundred forty-four thousand, four hundred forty-three".