12803903 has 16 divisors (see below), whose sum is σ = 15005760. Its totient is φ = 10699776.

The previous prime is 12803897. The next prime is 12803909. The reversal of 12803903 is 30930821.

It is an interprime number because it is at equal distance from previous prime (12803897) and next prime (12803909).

It is a cyclic number.

It is not a de Polignac number, because 12803903 - 2¹⁶ = 12738367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12803909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73925 + ... + 74097.

It is an arithmetic number, because the mean of its divisors is an integer number (937860).

Almost surely, 2^12803903 is an apocalyptic number.

12803903 is a deficient number, since it is larger than the sum of its proper divisors (2201857).

12803903 is a wasteful number, since it uses less digits than its factorization.

12803903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 12803903 is about 3578.2541832575. The cubic root of 12803903 is about 233.9451925601.

The spelling of 12803903 in words is "twelve million, eight hundred three thousand, nine hundred three".