12008239 has 12 divisors (see below), whose sum is σ = 13112584. Its totient is φ = 10986624.

The previous prime is 12008219. The next prime is 12008251. The reversal of 12008239 is 93280021.

It is not a de Polignac number, because 12008239 - 2⁷ = 12008111 is a prime.

It is a super-2 number, since 2×12008239² = 288395607762242, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12008219) 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, 10132 + ... + 11254.

Almost surely, 2^12008239 is an apocalyptic number.

12008239 is a deficient number, since it is larger than the sum of its proper divisors (1104345).

12008239 is a wasteful number, since it uses less digits than its factorization.

12008239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 12008239 is about 3465.2906083040. The cubic root of 12008239 is about 228.9952326385.

The spelling of 12008239 in words is "twelve million, eight thousand, two hundred thirty-nine".