13424443 has 2 divisors, whose sum is σ = 13424444. Its totient is φ = 13424442.

The previous prime is 13424429. The next prime is 13424459. The reversal of 13424443 is 34442431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13424443 - 2¹³ = 13416251 is a prime.

It is not a weakly prime, because it can be changed into another prime (13424413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712221 + 6712222.

It is an arithmetic number, because the mean of its divisors is an integer number (6712222).

Almost surely, 2^13424443 is an apocalyptic number.

13424443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13424443 is an equidigital number, since it uses as much as digits as its factorization.

13424443 is an odious number, because the sum of its binary digits is odd.

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

The square root of 13424443 is about 3663.9381817929. The cubic root of 13424443 is about 237.6651069844.

Adding to 13424443 its reverse (34442431), we get a palindrome (47866874).

The spelling of 13424443 in words is "thirteen million, four hundred twenty-four thousand, four hundred forty-three".