12261133 has 2 divisors, whose sum is σ = 12261134. Its totient is φ = 12261132.

The previous prime is 12261127. The next prime is 12261157. The reversal of 12261133 is 33116221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11035684 + 1225449 = 3322^2 + 1107^2 .

It is a cyclic number.

It is not a de Polignac number, because 12261133 - 2⁵ = 12261101 is a prime.

It is a plaindrome in base 15.

It is a zygodrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 12261133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12261163) 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 as a sum of consecutive naturals, namely, 6130566 + 6130567.

It is an arithmetic number, because the mean of its divisors is an integer number (6130567).

Almost surely, 2^12261133 is an apocalyptic number.

It is an amenable number.

12261133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12261133 is an equidigital number, since it uses as much as digits as its factorization.

12261133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 19.

The square root of 12261133 is about 3501.5900673837. The cubic root of 12261133 is about 230.5916274544.

Adding to 12261133 its reverse (33116221), we get a palindrome (45377354).

The spelling of 12261133 in words is "twelve million, two hundred sixty-one thousand, one hundred thirty-three".