12135006 has 24 divisors (see below), whose sum is σ = 28315560. Its totient is φ = 3733776.

The previous prime is 12134999. The next prime is 12135017. The reversal of 12135006 is 60053121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 12135006.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 25696 + ... + 26163.

It is an arithmetic number, because the mean of its divisors is an integer number (1179815).

Almost surely, 2^12135006 is an apocalyptic number.

12135006 is an abundant number, since it is smaller than the sum of its proper divisors (16180554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12135006 is a wasteful number, since it uses less digits than its factorization.

12135006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51880 (or 51877 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 12135006 is about 3483.5335508647. The cubic root of 12135006 is about 229.7982225296.

Adding to 12135006 its reverse (60053121), we get a palindrome (72188127).

The spelling of 12135006 in words is "twelve million, one hundred thirty-five thousand, six".