13321103 has 8 divisors (see below), whose sum is σ = 13792896. Its totient is φ = 12852000.

The previous prime is 13321097. The next prime is 13321111. The reversal of 13321103 is 30112331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13321103 - 2⁸ = 13320847 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 (13321003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18653 + ... + 19353.

It is an arithmetic number, because the mean of its divisors is an integer number (1724112).

Almost surely, 2^13321103 is an apocalyptic number.

13321103 is a deficient number, since it is larger than the sum of its proper divisors (471793).

13321103 is an equidigital number, since it uses as much as digits as its factorization.

13321103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 13321103 is about 3649.8086251200. The cubic root of 13321103 is about 237.0536948016.

Adding to 13321103 its reverse (30112331), we get a palindrome (43433434).

The spelling of 13321103 in words is "thirteen million, three hundred twenty-one thousand, one hundred three".