12341909 has 4 divisors (see below), whose sum is σ = 12349440. Its totient is φ = 12334380.

The previous prime is 12341899. The next prime is 12341941. The reversal of 12341909 is 90914321.

It is a happy number.

12341909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12341909 - 2⁸ = 12341653 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12341009) 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, 149 + ... + 4970.

It is an arithmetic number, because the mean of its divisors is an integer number (3087360).

Almost surely, 2^12341909 is an apocalyptic number.

It is an amenable number.

12341909 is a deficient number, since it is larger than the sum of its proper divisors (7531).

12341909 is an equidigital number, since it uses as much as digits as its factorization.

12341909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7530.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 12341909 is about 3513.1053215069. The cubic root of 12341909 is about 231.0968965634.

The spelling of 12341909 in words is "twelve million, three hundred forty-one thousand, nine hundred nine".