11203983 has 12 divisors (see below), whose sum is σ = 18495568. Its totient is φ = 6402240.

The previous prime is 11203963. The next prime is 11203987. The reversal of 11203983 is 38930211.

It is not a de Polignac number, because 11203983 - 2⁶ = 11203919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88858 + ... + 88983.

Almost surely, 2^11203983 is an apocalyptic number.

11203983 is a deficient number, since it is larger than the sum of its proper divisors (7291585).

11203983 is a wasteful number, since it uses less digits than its factorization.

11203983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177854 (or 177851 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 11203983 is about 3347.2351276837. The cubic root of 11203983 is about 223.7643075232.

The spelling of 11203983 in words is "eleven million, two hundred three thousand, nine hundred eighty-three".