12266818 has 16 divisors (see below), whose sum is σ = 19494720. Its totient is φ = 5772816.

The previous prime is 12266791. The next prime is 12266827. The reversal of 12266818 is 81866221.

12266818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5380 + ... + 7312.

It is an arithmetic number, because the mean of its divisors is an integer number (1218420).

Almost surely, 2^12266818 is an apocalyptic number.

12266818 is a deficient number, since it is larger than the sum of its proper divisors (7227902).

12266818 is a wasteful number, since it uses less digits than its factorization.

12266818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121.

The product of its digits is 9216, while the sum is 34.

The square root of 12266818 is about 3502.4017473728. The cubic root of 12266818 is about 230.6272606717.

The spelling of 12266818 in words is "twelve million, two hundred sixty-six thousand, eight hundred eighteen".