12328135 has 4 divisors (see below), whose sum is σ = 14793768. Its totient is φ = 9862504.

The previous prime is 12328133. The next prime is 12328139. The reversal of 12328135 is 53182321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12328135 - 2¹ = 12328133 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 (12328133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1232809 + ... + 1232818.

It is an arithmetic number, because the mean of its divisors is an integer number (3698442).

Almost surely, 2^12328135 is an apocalyptic number.

12328135 is a deficient number, since it is larger than the sum of its proper divisors (2465633).

12328135 is an equidigital number, since it uses as much as digits as its factorization.

12328135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465632.

The product of its digits is 1440, while the sum is 25.

The square root of 12328135 is about 3511.1444003345. The cubic root of 12328135 is about 231.0108938348.

The spelling of 12328135 in words is "twelve million, three hundred twenty-eight thousand, one hundred thirty-five".