12261041 has 4 divisors (see below), whose sum is σ = 13204212. Its totient is φ = 11317872.

The previous prime is 12261013. The next prime is 12261043. The reversal of 12261041 is 14016221.

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 4532641 + 7728400 = 2129^2 + 2780^2 .

It is a cyclic number.

It is not a de Polignac number, because 12261041 - 2¹⁴ = 12244657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12261043) 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, 471566 + ... + 471591.

It is an arithmetic number, because the mean of its divisors is an integer number (3301053).

Almost surely, 2^12261041 is an apocalyptic number.

It is an amenable number.

12261041 is a deficient number, since it is larger than the sum of its proper divisors (943171).

12261041 is an equidigital number, since it uses as much as digits as its factorization.

12261041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943170.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 12261041 is about 3501.5769304700. The cubic root of 12261041 is about 230.5910507137.

Adding to 12261041 its reverse (14016221), we get a palindrome (26277262).

The spelling of 12261041 in words is "twelve million, two hundred sixty-one thousand, forty-one".