12684135 has 16 divisors (see below), whose sum is σ = 20367360. Its totient is φ = 6740640.

The previous prime is 12684127. The next prime is 12684163. The reversal of 12684135 is 53148621.

12684135 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12684135 - 2³ = 12684127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3306 + ... + 6024.

It is an arithmetic number, because the mean of its divisors is an integer number (1272960).

Almost surely, 2^12684135 is an apocalyptic number.

12684135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12684135 is a deficient number, since it is larger than the sum of its proper divisors (7683225).

12684135 is a wasteful number, since it uses less digits than its factorization.

12684135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038.

The product of its digits is 5760, while the sum is 30.

The square root of 12684135 is about 3561.4793274705. The cubic root of 12684135 is about 233.2134633733.

The spelling of 12684135 in words is "twelve million, six hundred eighty-four thousand, one hundred thirty-five".