13229443 has 2 divisors, whose sum is σ = 13229444. Its totient is φ = 13229442.

The previous prime is 13229441. The next prime is 13229477. The reversal of 13229443 is 34492231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13229443 - 2¹ = 13229441 is a prime.

Together with 13229441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13229441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6614721 + 6614722.

It is an arithmetic number, because the mean of its divisors is an integer number (6614722).

Almost surely, 2^13229443 is an apocalyptic number.

13229443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13229443 is an equidigital number, since it uses as much as digits as its factorization.

13229443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 13229443 is about 3637.2301274459. The cubic root of 13229443 is about 236.5087356928.

The spelling of 13229443 in words is "thirteen million, two hundred twenty-nine thousand, four hundred forty-three".