12276218 has 8 divisors (see below), whose sum is σ = 18452448. Its totient is φ = 6125404.

The previous prime is 12276211. The next prime is 12276233. The reversal of 12276218 is 81267221.

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

It is not an unprimeable number, because it can be changed into a prime (12276211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5096 + ... + 7107.

It is an arithmetic number, because the mean of its divisors is an integer number (2306556).

Almost surely, 2^12276218 is an apocalyptic number.

12276218 is a deficient number, since it is larger than the sum of its proper divisors (6176230).

12276218 is a wasteful number, since it uses less digits than its factorization.

12276218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12708.

The product of its digits is 2688, while the sum is 29.

The square root of 12276218 is about 3503.7434266795. The cubic root of 12276218 is about 230.6861551282.

The spelling of 12276218 in words is "twelve million, two hundred seventy-six thousand, two hundred eighteen".