12366109 has 4 divisors (see below), whose sum is σ = 14132704. Its totient is φ = 10599516.

The previous prime is 12366091. The next prime is 12366113. The reversal of 12366109 is 90166321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12366109 - 2⁹ = 12365597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12366139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883287 + ... + 883300.

It is an arithmetic number, because the mean of its divisors is an integer number (3533176).

Almost surely, 2^12366109 is an apocalyptic number.

It is an amenable number.

12366109 is a deficient number, since it is larger than the sum of its proper divisors (1766595).

12366109 is an equidigital number, since it uses as much as digits as its factorization.

12366109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766594.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 12366109 is about 3516.5478810902. The cubic root of 12366109 is about 231.2478427848.

The spelling of 12366109 in words is "twelve million, three hundred sixty-six thousand, one hundred nine".