13320233 has 2 divisors, whose sum is σ = 13320234. Its totient is φ = 13320232.

The previous prime is 13320221. The next prime is 13320247. The reversal of 13320233 is 33202331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10316944 + 3003289 = 3212^2 + 1733^2 .

It is an emirp because it is prime and its reverse (33202331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13320233 - 2⁴ = 13320217 is a prime.

It is not a weakly prime, because it can be changed into another prime (13320533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660116 + 6660117.

It is an arithmetic number, because the mean of its divisors is an integer number (6660117).

Almost surely, 2^13320233 is an apocalyptic number.

It is an amenable number.

13320233 is a deficient number, since it is larger than the sum of its proper divisors (1).

13320233 is an equidigital number, since it uses as much as digits as its factorization.

13320233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 13320233 is about 3649.6894388427. The cubic root of 13320233 is about 237.0485340377.

Adding to 13320233 its reverse (33202331), we get a palindrome (46522564).

The spelling of 13320233 in words is "thirteen million, three hundred twenty thousand, two hundred thirty-three".