12208236 has 12 divisors (see below), whose sum is σ = 28485912. Its totient is φ = 4069408.

The previous prime is 12208213. The next prime is 12208247. The reversal of 12208236 is 63280221.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508665 + ... + 508688.

It is an arithmetic number, because the mean of its divisors is an integer number (2373826).

Almost surely, 2^12208236 is an apocalyptic number.

It is an amenable number.

12208236 is an abundant number, since it is smaller than the sum of its proper divisors (16277676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12208236 is a wasteful number, since it uses less digits than its factorization.

12208236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017360 (or 1017358 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 12208236 is about 3494.0286203751. The cubic root of 12208236 is about 230.2595431776.

Adding to 12208236 its reverse (63280221), we get a palindrome (75488457).

The spelling of 12208236 in words is "twelve million, two hundred eight thousand, two hundred thirty-six".