11839539 has 8 divisors (see below), whose sum is σ = 15835072. Its totient is φ = 7868520.

The previous prime is 11839537. The next prime is 11839547. The reversal of 11839539 is 93593811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11839539 - 2¹ = 11839537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11839497 and 11839506.

It is not an unprimeable number, because it can be changed into a prime (11839537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4969 + ... + 6954.

It is an arithmetic number, because the mean of its divisors is an integer number (1979384).

Almost surely, 2^11839539 is an apocalyptic number.

11839539 is a deficient number, since it is larger than the sum of its proper divisors (3995533).

11839539 is a wasteful number, since it uses less digits than its factorization.

11839539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12257.

The product of its digits is 29160, while the sum is 39.

The square root of 11839539 is about 3440.8631184632. The cubic root of 11839539 is about 227.9178104805.

The spelling of 11839539 in words is "eleven million, eight hundred thirty-nine thousand, five hundred thirty-nine".