13299443 has 2 divisors, whose sum is σ = 13299444. Its totient is φ = 13299442.

The previous prime is 13299439. The next prime is 13299467. The reversal of 13299443 is 34499231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13299443 - 2² = 13299439 is a prime.

It is a super-2 number, since 2×13299443² = 353750368220498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13299043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6649721 + 6649722.

It is an arithmetic number, because the mean of its divisors is an integer number (6649722).

Almost surely, 2^13299443 is an apocalyptic number.

13299443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13299443 is an equidigital number, since it uses as much as digits as its factorization.

13299443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 35.

The square root of 13299443 is about 3646.8401390793. The cubic root of 13299443 is about 236.9251426721.

The spelling of 13299443 in words is "thirteen million, two hundred ninety-nine thousand, four hundred forty-three".