13318033 has 2 divisors, whose sum is σ = 13318034. Its totient is φ = 13318032.

The previous prime is 13318027. The next prime is 13318043. The reversal of 13318033 is 33081331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13300609 + 17424 = 3647^2 + 132^2 .

It is a cyclic number.

It is not a de Polignac number, because 13318033 - 2⁵ = 13318001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13317995 and 13318013.

It is not a weakly prime, because it can be changed into another prime (13318013) 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, 6659016 + 6659017.

It is an arithmetic number, because the mean of its divisors is an integer number (6659017).

Almost surely, 2^13318033 is an apocalyptic number.

It is an amenable number.

13318033 is a deficient number, since it is larger than the sum of its proper divisors (1).

13318033 is an equidigital number, since it uses as much as digits as its factorization.

13318033 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 22.

The square root of 13318033 is about 3649.3880308896. The cubic root of 13318033 is about 237.0354828273.

Adding to 13318033 its reverse (33081331), we get a palindrome (46399364).

The spelling of 13318033 in words is "thirteen million, three hundred eighteen thousand, thirty-three".