11789939 has 16 divisors (see below), whose sum is σ = 14136000. Its totient is φ = 9821952.

The previous prime is 11789933. The next prime is 11789941. The reversal of 11789939 is 93998711.

It is a happy number.

It is not a de Polignac number, because 11789939 - 2⁸ = 11789683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11789893 and 11789902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11789933) 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, 12227 + ... + 13155.

It is an arithmetic number, because the mean of its divisors is an integer number (883500).

Almost surely, 2^11789939 is an apocalyptic number.

11789939 is a deficient number, since it is larger than the sum of its proper divisors (2346061).

11789939 is an frugal number, since it uses more digits than its factorization.

11789939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987 (or 973 counting only the distinct ones).

The product of its digits is 122472, while the sum is 47.

The square root of 11789939 is about 3433.6480600085. The cubic root of 11789939 is about 227.5990889848.

The spelling of 11789939 in words is "eleven million, seven hundred eighty-nine thousand, nine hundred thirty-nine".