13243311 has 8 divisors (see below), whose sum is σ = 19619760. Its totient is φ = 8828856.

The previous prime is 13243303. The next prime is 13243319. The reversal of 13243311 is 11334231.

It is an interprime number because it is at equal distance from previous prime (13243303) and next prime (13243319).

It is not a de Polignac number, because 13243311 - 2³ = 13243303 is a prime.

It is a congruent 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245220 + ... + 245273.

It is an arithmetic number, because the mean of its divisors is an integer number (2452470).

Almost surely, 2^13243311 is an apocalyptic number.

13243311 is a deficient number, since it is larger than the sum of its proper divisors (6376449).

13243311 is an equidigital number, since it uses as much as digits as its factorization.

13243311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490502 (or 490496 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 13243311 is about 3639.1360238386. The cubic root of 13243311 is about 236.5913483354.

Adding to 13243311 its reverse (11334231), we get a palindrome (24577542).

The spelling of 13243311 in words is "thirteen million, two hundred forty-three thousand, three hundred eleven".