12322405 has 16 divisors (see below), whose sum is σ = 15185664. Its totient is φ = 9596160.

The previous prime is 12322397. The next prime is 12322421. The reversal of 12322405 is 50422321.

It is not a de Polignac number, because 12322405 - 2³ = 12322397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36397 + ... + 36733.

It is an arithmetic number, because the mean of its divisors is an integer number (949104).

Almost surely, 2^12322405 is an apocalyptic number.

It is an amenable number.

12322405 is a deficient number, since it is larger than the sum of its proper divisors (2863259).

12322405 is a wasteful number, since it uses less digits than its factorization.

12322405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 12322405 is about 3510.3283322219. The cubic root of 12322405 is about 230.9750977322.

Adding to 12322405 its reverse (50422321), we get a palindrome (62744726).

The spelling of 12322405 in words is "twelve million, three hundred twenty-two thousand, four hundred five".