12261033 has 6 divisors (see below), whose sum is σ = 17710394. Its totient is φ = 8174016.

The previous prime is 12261013. The next prime is 12261043. The reversal of 12261033 is 33016221.

12261033 is a `hidden beast` number, since 1 + 22 + 610 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10323369 + 1937664 = 3213^2 + 1392^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12261033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12260997 and 12261015.

It is not an unprimeable number, because it can be changed into a prime (12261013) 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 5 ways as a sum of consecutive naturals, for example, 681160 + ... + 681177.

Almost surely, 2^12261033 is an apocalyptic number.

It is an amenable number.

12261033 is a deficient number, since it is larger than the sum of its proper divisors (5449361).

12261033 is a wasteful number, since it uses less digits than its factorization.

12261033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362343 (or 1362340 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 12261033 is about 3501.5757881274. The cubic root of 12261033 is about 230.5910005622.

Adding to 12261033 its reverse (33016221), we get a palindrome (45277254).

The spelling of 12261033 in words is "twelve million, two hundred sixty-one thousand, thirty-three".