13308443 has 2 divisors, whose sum is σ = 13308444. Its totient is φ = 13308442.

The previous prime is 13308439. The next prime is 13308479. The reversal of 13308443 is 34480331.

It is a weak prime.

It is an emirp because it is prime and its reverse (34480331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13308443 - 2² = 13308439 is a prime.

It is a super-2 number, since 2×13308443² = 354229310168498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13308343) 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, 6654221 + 6654222.

It is an arithmetic number, because the mean of its divisors is an integer number (6654222).

Almost surely, 2^13308443 is an apocalyptic number.

13308443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13308443 is an equidigital number, since it uses as much as digits as its factorization.

13308443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 13308443 is about 3648.0738753485. The cubic root of 13308443 is about 236.9785746208.

Adding to 13308443 its reverse (34480331), we get a palindrome (47788774).

The spelling of 13308443 in words is "thirteen million, three hundred eight thousand, four hundred forty-three".