12276208 has 20 divisors (see below), whose sum is σ = 27183280. Its totient is φ = 5261184.

The previous prime is 12276197. The next prime is 12276211. The reversal of 12276208 is 80267221.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54693 + ... + 54916.

It is an arithmetic number, because the mean of its divisors is an integer number (1359164).

Almost surely, 2^12276208 is an apocalyptic number.

It is an amenable number.

12276208 is an abundant number, since it is smaller than the sum of its proper divisors (14907072).

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

12276208 is a wasteful number, since it uses less digits than its factorization.

12276208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109624 (or 109618 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 12276208 is about 3503.7419996341. The cubic root of 12276208 is about 230.6860924905.

The spelling of 12276208 in words is "twelve million, two hundred seventy-six thousand, two hundred eight".