12344909 has 2 divisors, whose sum is σ = 12344910. Its totient is φ = 12344908.

The previous prime is 12344897. The next prime is 12344921. The reversal of 12344909 is 90944321.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (12344897) and next prime (12344921).

It can be written as a sum of positive squares in only one way, i.e., 7155625 + 5189284 = 2675^2 + 2278^2 .

It is a cyclic number.

It is not a de Polignac number, because 12344909 - 2¹² = 12340813 is a prime.

It is equal to p₈₀₉₁₆₈ and since 12344909 and 809168 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12344929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6172454 + 6172455.

It is an arithmetic number, because the mean of its divisors is an integer number (6172455).

Almost surely, 2^12344909 is an apocalyptic number.

It is an amenable number.

12344909 is a deficient number, since it is larger than the sum of its proper divisors (1).

12344909 is an equidigital number, since it uses as much as digits as its factorization.

12344909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 12344909 is about 3513.5322682452. The cubic root of 12344909 is about 231.1156196130.

The spelling of 12344909 in words is "twelve million, three hundred forty-four thousand, nine hundred nine".