11956239 has 12 divisors (see below), whose sum is σ = 17403672. Its totient is φ = 7909200.

The previous prime is 11956201. The next prime is 11956247. The reversal of 11956239 is 93265911.

11956239 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 11956239 - 2²³ = 3567631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11956939) 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, 3892 + ... + 6249.

It is an arithmetic number, because the mean of its divisors is an integer number (1450306).

Almost surely, 2^11956239 is an apocalyptic number.

11956239 is a deficient number, since it is larger than the sum of its proper divisors (5447433).

11956239 is a wasteful number, since it uses less digits than its factorization.

11956239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10278 (or 10275 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 11956239 is about 3457.7794897882. The cubic root of 11956239 is about 228.6642104169.

The spelling of 11956239 in words is "eleven million, nine hundred fifty-six thousand, two hundred thirty-nine".