12086239 has 8 divisors (see below), whose sum is σ = 13255632. Its totient is φ = 10928640.

The previous prime is 12086233. The next prime is 12086251. The reversal of 12086239 is 93268021.

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

It is a cyclic number.

It is not a de Polignac number, because 12086239 - 2³ = 12086231 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 12086239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12086231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724 + ... + 4969.

It is an arithmetic number, because the mean of its divisors is an integer number (1656954).

Almost surely, 2^12086239 is an apocalyptic number.

12086239 is a deficient number, since it is larger than the sum of its proper divisors (1169393).

12086239 is a wasteful number, since it uses less digits than its factorization.

12086239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5897.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12086239 is about 3476.5268588061. The cubic root of 12086239 is about 229.4899788835.

It can be divided in two parts, 1208 and 6239, that added together give a palindrome (7447).

The spelling of 12086239 in words is "twelve million, eighty-six thousand, two hundred thirty-nine".