13243111 has 16 divisors (see below), whose sum is σ = 15854400. Its totient is φ = 10821888.

The previous prime is 13243091. The next prime is 13243121. The reversal of 13243111 is 11134231.

13243111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13243111 - 2⁵ = 13243079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17701 + ... + 18433.

It is an arithmetic number, because the mean of its divisors is an integer number (990900).

Almost surely, 2^13243111 is an apocalyptic number.

13243111 is a deficient number, since it is larger than the sum of its proper divisors (2611289).

13243111 is an equidigital number, since it uses as much as digits as its factorization.

13243111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858.

The product of its digits is 72, while the sum is 16.

The square root of 13243111 is about 3639.1085446851. The cubic root of 13243111 is about 236.5901573315.

Adding to 13243111 its reverse (11134231), we get a palindrome (24377342).

The spelling of 13243111 in words is "thirteen million, two hundred forty-three thousand, one hundred eleven".