13113443 has 16 divisors (see below), whose sum is σ = 15966720. Its totient is φ = 10513536.

The previous prime is 13113431. The next prime is 13113467. The reversal of 13113443 is 34431131.

It is a cyclic number.

It is not a de Polignac number, because 13113443 - 2⁶ = 13113379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13113413) 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, 31088 + ... + 31506.

It is an arithmetic number, because the mean of its divisors is an integer number (997920).

Almost surely, 2^13113443 is an apocalyptic number.

13113443 is a deficient number, since it is larger than the sum of its proper divisors (2853277).

13113443 is a wasteful number, since it uses less digits than its factorization.

13113443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706.

The product of its digits is 432, while the sum is 20.

The square root of 13113443 is about 3621.2488177423. The cubic root of 13113443 is about 235.8154439046.

Adding to 13113443 its reverse (34431131), we get a palindrome (47544574).

The spelling of 13113443 in words is "thirteen million, one hundred thirteen thousand, four hundred forty-three".