13043103 has 4 divisors (see below), whose sum is σ = 17390808. Its totient is φ = 8695400.

The previous prime is 13043087. The next prime is 13043117. The reversal of 13043103 is 30134031.

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 13043103 - 2⁴ = 13043087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13043123) 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 3 ways as a sum of consecutive naturals, for example, 2173848 + ... + 2173853.

It is an arithmetic number, because the mean of its divisors is an integer number (4347702).

Almost surely, 2^13043103 is an apocalyptic number.

13043103 is a deficient number, since it is larger than the sum of its proper divisors (4347705).

13043103 is an equidigital number, since it uses as much as digits as its factorization.

13043103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4347704.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 13043103 is about 3611.5236396845. The cubic root of 13043103 is about 235.3930528050.

Adding to 13043103 its reverse (30134031), we get a palindrome (43177134).

The spelling of 13043103 in words is "thirteen million, forty-three thousand, one hundred three".