13243113 has 12 divisors (see below), whose sum is σ = 20600580. Its totient is φ = 8149536.

The previous prime is 13243091. The next prime is 13243121. The reversal of 13243113 is 31134231.

It can be written as a sum of positive squares in 2 ways, for example, as 3583449 + 9659664 = 1893^2 + 3108^2 .

It is not a de Polignac number, because 13243113 - 2¹⁴ = 13226729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13243213) 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 11 ways as a sum of consecutive naturals, for example, 56478 + ... + 56711.

It is an arithmetic number, because the mean of its divisors is an integer number (1716715).

Almost surely, 2^13243113 is an apocalyptic number.

13243113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13243113 is a deficient number, since it is larger than the sum of its proper divisors (7357467).

13243113 is a wasteful number, since it uses less digits than its factorization.

13243113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113208 (or 113205 counting only the distinct ones).

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

The square root of 13243113 is about 3639.1088194776. The cubic root of 13243113 is about 236.5901692416.

Adding to 13243113 its reverse (31134231), we get a palindrome (44377344).

The spelling of 13243113 in words is "thirteen million, two hundred forty-three thousand, one hundred thirteen".