12366890 has 16 divisors (see below), whose sum is σ = 22405032. Its totient is φ = 4914624.

The previous prime is 12366883. The next prime is 12366899. The reversal of 12366890 is 9866321.

12366890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6466849 + 5900041 = 2543^2 + 2429^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12366890.

It is not an unprimeable number, because it can be changed into a prime (12366899) 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, 2369 + ... + 5508.

Almost surely, 2^12366890 is an apocalyptic number.

12366890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12366890 is a deficient number, since it is larger than the sum of its proper divisors (10038142).

12366890 is a wasteful number, since it uses less digits than its factorization.

12366890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8041.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 12366890 is about 3516.6589257419. The cubic root of 12366890 is about 231.2527109495.

The spelling of 12366890 in words is "twelve million, three hundred sixty-six thousand, eight hundred ninety".