12136133 has 4 divisors (see below), whose sum is σ = 12335148. Its totient is φ = 11937120.

The previous prime is 12136127. The next prime is 12136141. The reversal of 12136133 is 33163121.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5750404 + 6385729 = 2398^2 + 2527^2 .

It is a cyclic number.

It is not a de Polignac number, because 12136133 - 2¹⁸ = 11873989 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 (12136633) 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, 99416 + ... + 99537.

It is an arithmetic number, because the mean of its divisors is an integer number (3083787).

Almost surely, 2^12136133 is an apocalyptic number.

It is an amenable number.

12136133 is a deficient number, since it is larger than the sum of its proper divisors (199015).

12136133 is an equidigital number, since it uses as much as digits as its factorization.

12136133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199014.

The product of its digits is 324, while the sum is 20.

The square root of 12136133 is about 3483.6953081462. The cubic root of 12136133 is about 229.8053362352.

Adding to 12136133 its reverse (33163121), we get a palindrome (45299254).

The spelling of 12136133 in words is "twelve million, one hundred thirty-six thousand, one hundred thirty-three".