12285133 has 12 divisors (see below), whose sum is σ = 14349180. Its totient is φ = 10487232.

The previous prime is 12285127. The next prime is 12285137. The reversal of 12285133 is 33158221.

It can be written as a sum of positive squares in 2 ways, for example, as 4678569 + 7606564 = 2163^2 + 2758^2 .

It is not a de Polignac number, because 12285133 - 2¹⁷ = 12154061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12285098 and 12285107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12285137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19735 + ... + 20347.

It is an arithmetic number, because the mean of its divisors is an integer number (1195765).

Almost surely, 2^12285133 is an apocalyptic number.

It is an amenable number.

12285133 is a deficient number, since it is larger than the sum of its proper divisors (2064047).

12285133 is an equidigital number, since it uses as much as digits as its factorization.

12285133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036 (or 1029 counting only the distinct ones).

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

The square root of 12285133 is about 3505.0154065282. The cubic root of 12285133 is about 230.7419831105.

The spelling of 12285133 in words is "twelve million, two hundred eighty-five thousand, one hundred thirty-three".