11982789 has 32 divisors (see below), whose sum is σ = 21853440. Its totient is φ = 6319296.

The previous prime is 11982781. The next prime is 11982811. The reversal of 11982789 is 98728911.

11982789 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11982789 - 2³ = 11982781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11982781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19 + ... + 4895.

It is an arithmetic number, because the mean of its divisors is an integer number (682920).

Almost surely, 2^11982789 is an apocalyptic number.

It is an amenable number.

11982789 is a deficient number, since it is larger than the sum of its proper divisors (9870651).

11982789 is a wasteful number, since it uses less digits than its factorization.

11982789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906 (or 4900 counting only the distinct ones).

The product of its digits is 72576, while the sum is 45.

The square root of 11982789 is about 3461.6165298889. The cubic root of 11982789 is about 228.8333423808.

The spelling of 11982789 in words is "eleven million, nine hundred eighty-two thousand, seven hundred eighty-nine".