12008135 has 16 divisors (see below), whose sum is σ = 14769216. Its totient is φ = 9370368.

The previous prime is 12008131. The next prime is 12008141. The reversal of 12008135 is 53180021.

12008135 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12008135 - 2² = 12008131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12008131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60857 + ... + 61053.

It is an arithmetic number, because the mean of its divisors is an integer number (923076).

Almost surely, 2^12008135 is an apocalyptic number.

12008135 is a deficient number, since it is larger than the sum of its proper divisors (2761081).

12008135 is a wasteful number, since it uses less digits than its factorization.

12008135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 12008135 is about 3465.2756023151. The cubic root of 12008135 is about 228.9945715487.

Adding to 12008135 its reverse (53180021), we get a palindrome (65188156).

The spelling of 12008135 in words is "twelve million, eight thousand, one hundred thirty-five".