1133983 has 4 divisors (see below), whose sum is σ = 1143040. Its totient is φ = 1124928.

The previous prime is 1133971. The next prime is 1133989. The reversal of 1133983 is 3893311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3893311 = 197 ⋅19763.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133989) 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, 4338 + ... + 4591.

It is an arithmetic number, because the mean of its divisors is an integer number (285760).

2^1133983 is an apocalyptic number.

1133983 is a deficient number, since it is larger than the sum of its proper divisors (9057).

1133983 is an equidigital number, since it uses as much as digits as its factorization.

1133983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9056.

The product of its digits is 1944, while the sum is 28.

The square root of 1133983 is about 1064.8863789156. The cubic root of 1133983 is about 104.2802782465.

It can be divided in two parts, 1133 and 983, that added together give a square (2116 = 46²).

The spelling of 1133983 in words is "one million, one hundred thirty-three thousand, nine hundred eighty-three".