13328903 has 4 divisors (see below), whose sum is σ = 15233040. Its totient is φ = 11424768.

The previous prime is 13328897. The next prime is 13328911. The reversal of 13328903 is 30982331.

13328903 is digitally balanced in base 3, 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 13328903 - 2¹⁸ = 13066759 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 (13328993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952058 + ... + 952071.

It is an arithmetic number, because the mean of its divisors is an integer number (3808260).

Almost surely, 2^13328903 is an apocalyptic number.

13328903 is a deficient number, since it is larger than the sum of its proper divisors (1904137).

13328903 is an equidigital number, since it uses as much as digits as its factorization.

13328903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904136.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 13328903 is about 3650.8770179232. The cubic root of 13328903 is about 237.0999536849.

The spelling of 13328903 in words is "thirteen million, three hundred twenty-eight thousand, nine hundred three".