11779839 has 12 divisors (see below), whose sum is σ = 17089072. Its totient is φ = 7819200.

The previous prime is 11779837. The next prime is 11779843. The reversal of 11779839 is 93897711.

It is not a de Polignac number, because 11779839 - 2¹ = 11779837 is a prime.

It is a super-3 number, since 3×11779839³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11779794 and 11779803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11779837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 547 + ... + 4884.

Almost surely, 2^11779839 is an apocalyptic number.

11779839 is a deficient number, since it is larger than the sum of its proper divisors (5309233).

11779839 is a wasteful number, since it uses less digits than its factorization.

11779839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678 (or 5675 counting only the distinct ones).

The product of its digits is 95256, while the sum is 45.

The square root of 11779839 is about 3432.1770059250. The cubic root of 11779839 is about 227.5340785402.

The spelling of 11779839 in words is "eleven million, seven hundred seventy-nine thousand, eight hundred thirty-nine".