12278968 has 32 divisors (see below), whose sum is σ = 25472160. Its totient is φ = 5512320.

The previous prime is 12278963. The next prime is 12278983. The reversal of 12278968 is 86987221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12278963) 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, 2253 + ... + 5443.

It is an arithmetic number, because the mean of its divisors is an integer number (796005).

Almost surely, 2^12278968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12278968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12736080).

12278968 is an abundant number, since it is smaller than the sum of its proper divisors (13193192).

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

12278968 is a wasteful number, since it uses less digits than its factorization.

12278968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247 (or 3243 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 12278968 is about 3504.1358421157. The cubic root of 12278968 is about 230.7033792049.

The spelling of 12278968 in words is "twelve million, two hundred seventy-eight thousand, nine hundred sixty-eight".