11989339 has 4 divisors (see below), whose sum is σ = 12021856. Its totient is φ = 11956824.

The previous prime is 11989333. The next prime is 11989357. The reversal of 11989339 is 93398911.

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 11989339 - 2⁹ = 11988827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11989295 and 11989304.

It is not an unprimeable number, because it can be changed into a prime (11989333) 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, 15699 + ... + 16444.

It is an arithmetic number, because the mean of its divisors is an integer number (3005464).

Almost surely, 2^11989339 is an apocalyptic number.

11989339 is a deficient number, since it is larger than the sum of its proper divisors (32517).

11989339 is an equidigital number, since it uses as much as digits as its factorization.

11989339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32516.

The product of its digits is 52488, while the sum is 43.

The square root of 11989339 is about 3462.5624904108. The cubic root of 11989339 is about 228.8750295421.

The spelling of 11989339 in words is "eleven million, nine hundred eighty-nine thousand, three hundred thirty-nine".