12344905 has 8 divisors (see below), whose sum is σ = 15458112. Its totient is φ = 9446448.

The previous prime is 12344897. The next prime is 12344909. The reversal of 12344905 is 50944321.

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 12344905 - 2³ = 12344897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12344909) 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 7 ways as a sum of consecutive naturals, for example, 53559 + ... + 53788.

It is an arithmetic number, because the mean of its divisors is an integer number (1932264).

Almost surely, 2^12344905 is an apocalyptic number.

It is an amenable number.

12344905 is a deficient number, since it is larger than the sum of its proper divisors (3113207).

12344905 is a wasteful number, since it uses less digits than its factorization.

12344905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107375.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 12344905 is about 3513.5316990174. The cubic root of 12344905 is about 231.1155946509.

The spelling of 12344905 in words is "twelve million, three hundred forty-four thousand, nine hundred five".