13011043 has 4 divisors (see below), whose sum is σ = 13024368. Its totient is φ = 12997720.

The previous prime is 13011007. The next prime is 13011059. The reversal of 13011043 is 34011031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13011043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13011073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5071 + ... + 7192.

It is an arithmetic number, because the mean of its divisors is an integer number (3256092).

Almost surely, 2^13011043 is an apocalyptic number.

13011043 is a deficient number, since it is larger than the sum of its proper divisors (13325).

13011043 is a wasteful number, since it uses less digits than its factorization.

13011043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13324.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 13011043 is about 3607.0823389549. The cubic root of 13011043 is about 235.2000288749.

Adding to 13011043 its reverse (34011031), we get a palindrome (47022074).

The spelling of 13011043 in words is "thirteen million, eleven thousand, forty-three".