12216854 has 8 divisors (see below), whose sum is σ = 19734960. Its totient is φ = 5638536.

The previous prime is 12216839. The next prime is 12216857. The reversal of 12216854 is 45861221.

12216854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12216857) 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, 234914 + ... + 234965.

It is an arithmetic number, because the mean of its divisors is an integer number (2466870).

Almost surely, 2^12216854 is an apocalyptic number.

12216854 is a deficient number, since it is larger than the sum of its proper divisors (7518106).

12216854 is a wasteful number, since it uses less digits than its factorization.

12216854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469894.

The product of its digits is 3840, while the sum is 29.

The square root of 12216854 is about 3495.2616497195. The cubic root of 12216854 is about 230.3137118003.

The spelling of 12216854 in words is "twelve million, two hundred sixteen thousand, eight hundred fifty-four".