11982843 has 16 divisors (see below), whose sum is σ = 17814400. Its totient is φ = 7960680.

The previous prime is 11982811. The next prime is 11982847. The reversal of 11982843 is 34828911.

It is not a de Polignac number, because 11982843 - 2⁵ = 11982811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11982798 and 11982807.

It is not an unprimeable number, because it can be changed into a prime (11982847) 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, 9648 + ... + 10818.

It is an arithmetic number, because the mean of its divisors is an integer number (1113400).

Almost surely, 2^11982843 is an apocalyptic number.

11982843 is a deficient number, since it is larger than the sum of its proper divisors (5831557).

11982843 is a wasteful number, since it uses less digits than its factorization.

11982843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559 (or 1553 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 11982843 is about 3461.6243297042. The cubic root of 11982843 is about 228.8336861233.

The spelling of 11982843 in words is "eleven million, nine hundred eighty-two thousand, eight hundred forty-three".