13243313 has 8 divisors (see below), whose sum is σ = 13453440. Its totient is φ = 13034880.

The previous prime is 13243303. The next prime is 13243319. The reversal of 13243313 is 31334231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13243313 - 2⁴ = 13243297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13243319) 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 in 7 ways as a sum of consecutive naturals, for example, 29948 + ... + 30386.

It is an arithmetic number, because the mean of its divisors is an integer number (1681680).

Almost surely, 2^13243313 is an apocalyptic number.

It is an amenable number.

13243313 is a deficient number, since it is larger than the sum of its proper divisors (210127).

13243313 is an equidigital number, since it uses as much as digits as its factorization.

13243313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847.

The product of its digits is 648, while the sum is 20.

The square root of 13243313 is about 3639.1362986291. The cubic root of 13243313 is about 236.5913602454.

Adding to 13243313 its reverse (31334231), we get a palindrome (44577544).

The spelling of 13243313 in words is "thirteen million, two hundred forty-three thousand, three hundred thirteen".