11539039 has 4 divisors (see below), whose sum is σ = 12217824. Its totient is φ = 10860256.

The previous prime is 11539027. The next prime is 11539049. The reversal of 11539039 is 93093511.

11539039 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11539039 - 2⁷ = 11538911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11539039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11539019) 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 3 ways as a sum of consecutive naturals, for example, 339367 + ... + 339400.

It is an arithmetic number, because the mean of its divisors is an integer number (3054456).

Almost surely, 2^11539039 is an apocalyptic number.

11539039 is a deficient number, since it is larger than the sum of its proper divisors (678785).

11539039 is an equidigital number, since it uses as much as digits as its factorization.

11539039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678784.

The product of its (nonzero) digits is 3645, while the sum is 31.

The square root of 11539039 is about 3396.9161014073. The cubic root of 11539039 is about 225.9729977920.

The spelling of 11539039 in words is "eleven million, five hundred thirty-nine thousand, thirty-nine".