13330003 has 4 divisors (see below), whose sum is σ = 13357008. Its totient is φ = 13303000.

The previous prime is 13329997. The next prime is 13330007. The reversal of 13330003 is 30003331.

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 13330003 - 2⁵ = 13329971 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13330007) 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, 12748 + ... + 13753.

It is an arithmetic number, because the mean of its divisors is an integer number (3339252).

Almost surely, 2^13330003 is an apocalyptic number.

13330003 is a deficient number, since it is larger than the sum of its proper divisors (27005).

13330003 is an equidigital number, since it uses as much as digits as its factorization.

13330003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27004.

The product of its (nonzero) digits is 81, while the sum is 13.

The square root of 13330003 is about 3651.0276635490. The cubic root of 13330003 is about 237.1064759215.

Adding to 13330003 its reverse (30003331), we get a palindrome (43333334).

The spelling of 13330003 in words is "thirteen million, three hundred thirty thousand, three".