12803003 has 4 divisors (see below), whose sum is σ = 12927408. Its totient is φ = 12678600.

The previous prime is 12802987. The next prime is 12803009. The reversal of 12803003 is 30030821.

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 12803003 - 2⁴ = 12802987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12803009) 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, 62048 + ... + 62253.

It is an arithmetic number, because the mean of its divisors is an integer number (3231852).

Almost surely, 2^12803003 is an apocalyptic number.

12803003 is a deficient number, since it is larger than the sum of its proper divisors (124405).

12803003 is a wasteful number, since it uses less digits than its factorization.

12803003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124404.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 12803003 is about 3578.1284213957. The cubic root of 12803003 is about 233.9397110126.

Adding to 12803003 its reverse (30030821), we get a palindrome (42833824).

The spelling of 12803003 in words is "twelve million, eight hundred three thousand, three".