13321043 has 4 divisors (see below), whose sum is σ = 13346208. Its totient is φ = 13295880.

The previous prime is 13321027. The next prime is 13321051. The reversal of 13321043 is 34012331.

It is a happy number.

13321043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13321043 - 2⁴ = 13321027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13321003) 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, 11771 + ... + 12852.

It is an arithmetic number, because the mean of its divisors is an integer number (3336552).

Almost surely, 2^13321043 is an apocalyptic number.

13321043 is a deficient number, since it is larger than the sum of its proper divisors (25165).

13321043 is an equidigital number, since it uses as much as digits as its factorization.

13321043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25164.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 13321043 is about 3649.8004055016. The cubic root of 13321043 is about 237.0533388941.

Adding to 13321043 its reverse (34012331), we get a palindrome (47333374).

The spelling of 13321043 in words is "thirteen million, three hundred twenty-one thousand, forty-three".