12214286 has 16 divisors (see below), whose sum is σ = 21075936. Its totient is φ = 5200416.

The previous prime is 12214273. The next prime is 12214289. The reversal of 12214286 is 68241221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12214289) 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, 581 + ... + 4976.

It is an arithmetic number, because the mean of its divisors is an integer number (1317246).

Almost surely, 2^12214286 is an apocalyptic number.

12214286 is a deficient number, since it is larger than the sum of its proper divisors (8861650).

12214286 is a wasteful number, since it uses less digits than its factorization.

12214286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5723.

The product of its digits is 1536, while the sum is 26.

The square root of 12214286 is about 3494.8942759403. The cubic root of 12214286 is about 230.2975732468.

The spelling of 12214286 in words is "twelve million, two hundred fourteen thousand, two hundred eighty-six".