12200506 has 4 divisors (see below), whose sum is σ = 18300762. Its totient is φ = 6100252.

The previous prime is 12200483. The next prime is 12200521. The reversal of 12200506 is 60500221.

It is a happy number.

12200506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7070281 + 5130225 = 2659^2 + 2265^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12200506.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3050125 + ... + 3050128.

Almost surely, 2^12200506 is an apocalyptic number.

12200506 is a deficient number, since it is larger than the sum of its proper divisors (6100256).

12200506 is an equidigital number, since it uses as much as digits as its factorization.

12200506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100255.

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

The square root of 12200506 is about 3492.9222722528. The cubic root of 12200506 is about 230.2109344059.

Adding to 12200506 its reverse (60500221), we get a palindrome (72700727).

The spelling of 12200506 in words is "twelve million, two hundred thousand, five hundred six".