12205075 has 6 divisors (see below), whose sum is σ = 15134324. Its totient is φ = 9764040.

The previous prime is 12205073. The next prime is 12205097. The reversal of 12205075 is 57050221.

12205075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12205075 - 2¹ = 12205073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12205073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 244077 + ... + 244126.

Almost surely, 2^12205075 is an apocalyptic number.

12205075 is a deficient number, since it is larger than the sum of its proper divisors (2929249).

12205075 is an equidigital number, since it uses as much as digits as its factorization.

12205075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488213 (or 488208 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 12205075 is about 3493.5762479156. The cubic root of 12205075 is about 230.2396682548.

Adding to 12205075 its reverse (57050221), we get a palindrome (69255296).

The spelling of 12205075 in words is "twelve million, two hundred five thousand, seventy-five".