12243109 has 8 divisors (see below), whose sum is σ = 12680192. Its totient is φ = 11808720.

The previous prime is 12243103. The next prime is 12243113. The reversal of 12243109 is 90134221.

12243109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12243109 - 2¹⁹ = 11718821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12243109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243103) 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, 13927 + ... + 14779.

It is an arithmetic number, because the mean of its divisors is an integer number (1585024).

Almost surely, 2^12243109 is an apocalyptic number.

It is an amenable number.

12243109 is a deficient number, since it is larger than the sum of its proper divisors (437083).

12243109 is an equidigital number, since it uses as much as digits as its factorization.

12243109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 12243109 is about 3499.0154329468. The cubic root of 12243109 is about 230.4785813027.

The spelling of 12243109 in words is "twelve million, two hundred forty-three thousand, one hundred nine".