12052205 has 16 divisors (see below), whose sum is σ = 15916608. Its totient is φ = 8760400.

The previous prime is 12052199. The next prime is 12052219. The reversal of 12052205 is 50225021.

It is not a de Polignac number, because 12052205 - 2⁴ = 12052189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5750 + ... + 7560.

It is an arithmetic number, because the mean of its divisors is an integer number (994788).

Almost surely, 2^12052205 is an apocalyptic number.

It is an amenable number.

12052205 is a deficient number, since it is larger than the sum of its proper divisors (3864403).

12052205 is an equidigital number, since it uses as much as digits as its factorization.

12052205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849 (or 1827 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 12052205 is about 3471.6285803640. The cubic root of 12052205 is about 229.2743671543.

Adding to 12052205 its reverse (50225021), we get a palindrome (62277226).

It can be divided in two parts, 120 and 52205, that added together give a palindrome (52325).

The spelling of 12052205 in words is "twelve million, fifty-two thousand, two hundred five".