11803 has 8 divisors (see below), whose sum is σ = 13680. Its totient is φ = 10080.

The previous prime is 11801. The next prime is 11807. The reversal of 11803 is 30811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11803 - 2¹ = 11801 is a prime.

It is a Duffinian number.

11803 is a lucky number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (11801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301 + ... + 337.

It is an arithmetic number, because the mean of its divisors is an integer number (1710).

2¹¹⁸⁰³ is an apocalyptic number.

11803 is a deficient number, since it is larger than the sum of its proper divisors (1877).

11803 is a wasteful number, since it uses less digits than its factorization.

11803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11803 is about 108.6416126537. The cubic root of 11803 is about 22.7683103405.

The spelling of 11803 in words is "eleven thousand, eight hundred three".