13330243 has 2 divisors, whose sum is σ = 13330244. Its totient is φ = 13330242.

The previous prime is 13330241. The next prime is 13330259. The reversal of 13330243 is 34203331.

It is a weak prime.

It is an emirp because it is prime and its reverse (34203331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13330243 - 2¹ = 13330241 is a prime.

Together with 13330241, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13330243.

It is not a weakly prime, because it can be changed into another prime (13330241) 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, 6665121 + 6665122.

It is an arithmetic number, because the mean of its divisors is an integer number (6665122).

Almost surely, 2^13330243 is an apocalyptic number.

13330243 is a deficient number, since it is larger than the sum of its proper divisors (1).

13330243 is an equidigital number, since it uses as much as digits as its factorization.

13330243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 13330243 is about 3651.0605308595. The cubic root of 13330243 is about 237.1078989072.

Adding to 13330243 its reverse (34203331), we get a palindrome (47533574).

The spelling of 13330243 in words is "thirteen million, three hundred thirty thousand, two hundred forty-three".