12406133 has 4 divisors (see below), whose sum is σ = 12529068. Its totient is φ = 12283200.

The previous prime is 12406129. The next prime is 12406139. The reversal of 12406133 is 33160421.

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 11276164 + 1129969 = 3358^2 + 1063^2 .

It is a cyclic number.

It is not a de Polignac number, because 12406133 - 2² = 12406129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12406139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61316 + ... + 61517.

It is an arithmetic number, because the mean of its divisors is an integer number (3132267).

Almost surely, 2^12406133 is an apocalyptic number.

It is an amenable number.

12406133 is a deficient number, since it is larger than the sum of its proper divisors (122935).

12406133 is a wasteful number, since it uses less digits than its factorization.

12406133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122934.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 12406133 is about 3522.2340921637. The cubic root of 12406133 is about 231.4970587724.

Adding to 12406133 its reverse (33160421), we get a palindrome (45566554).

The spelling of 12406133 in words is "twelve million, four hundred six thousand, one hundred thirty-three".