12200065 has 8 divisors (see below), whose sum is σ = 14661288. Its totient is φ = 9745920.

The previous prime is 12200063. The next prime is 12200117. The reversal of 12200065 is 56000221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2163841 + 10036224 = 1471^2 + 3168^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12200065 - 2¹ = 12200063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12200063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3409 + ... + 6001.

It is an arithmetic number, because the mean of its divisors is an integer number (1832661).

Almost surely, 2^12200065 is an apocalyptic number.

It is an amenable number.

12200065 is a deficient number, since it is larger than the sum of its proper divisors (2461223).

12200065 is an equidigital number, since it uses as much as digits as its factorization.

12200065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3539.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12200065 is about 3492.8591440251. The cubic root of 12200065 is about 230.2081606345.

Adding to 12200065 its reverse (56000221), we get a palindrome (68200286).

The spelling of 12200065 in words is "twelve million, two hundred thousand, sixty-five".