11944539 has 12 divisors (see below), whose sum is σ = 17301856. Its totient is φ = 7940592.

The previous prime is 11944531. The next prime is 11944561. The reversal of 11944539 is 93544911.

It is a happy number.

11944539 is a `hidden beast` number, since 119 + 4 + 4 + 539 = 666.

11944539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11944539 - 2³ = 11944531 is a prime.

It is a Duffinian number.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (11944531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1902 + ... + 5244.

Almost surely, 2^11944539 is an apocalyptic number.

11944539 is a deficient number, since it is larger than the sum of its proper divisors (5357317).

11944539 is a wasteful number, since it uses less digits than its factorization.

11944539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3746 (or 3743 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 11944539 is about 3456.0872384823. The cubic root of 11944539 is about 228.5895982022.

The spelling of 11944539 in words is "eleven million, nine hundred forty-four thousand, five hundred thirty-nine".