12240866 has 8 divisors (see below), whose sum is σ = 20030544. Its totient is φ = 5564020.

The previous prime is 12240857. The next prime is 12240869. The reversal of 12240866 is 66804221.

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 (12240869) 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, 278180 + ... + 278223.

It is an arithmetic number, because the mean of its divisors is an integer number (2503818).

Almost surely, 2^12240866 is an apocalyptic number.

12240866 is a deficient number, since it is larger than the sum of its proper divisors (7789678).

12240866 is a wasteful number, since it uses less digits than its factorization.

12240866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556416.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 12240866 is about 3498.6948995304. The cubic root of 12240866 is about 230.4645054926.

The spelling of 12240866 in words is "twelve million, two hundred forty thousand, eight hundred sixty-six".