11940203 has 4 divisors (see below), whose sum is σ = 13025688. Its totient is φ = 10854720.

The previous prime is 11940169. The next prime is 11940217. The reversal of 11940203 is 30204911.

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 11940203 - 2⁸ = 11939947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11940293) 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, 542726 + ... + 542747.

It is an arithmetic number, because the mean of its divisors is an integer number (3256422).

Almost surely, 2^11940203 is an apocalyptic number.

11940203 is a deficient number, since it is larger than the sum of its proper divisors (1085485).

11940203 is a wasteful number, since it uses less digits than its factorization.

11940203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085484.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 11940203 is about 3455.4598825627. The cubic root of 11940203 is about 228.5619346689.

The spelling of 11940203 in words is "eleven million, nine hundred forty thousand, two hundred three".