12326005 has 4 divisors (see below), whose sum is σ = 14791212. Its totient is φ = 9860800.

The previous prime is 12325991. The next prime is 12326009. The reversal of 12326005 is 50062321.

It is a happy number.

12326005 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 an emirpimes, since its reverse is a distinct semiprime: 50062321 = 19 ⋅2634859.

It can be written as a sum of positive squares in 2 ways, for example, as 3617604 + 8708401 = 1902^2 + 2951^2 .

It is not a de Polignac number, because 12326005 - 2¹³ = 12317813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12326009) 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, 1232596 + ... + 1232605.

It is an arithmetic number, because the mean of its divisors is an integer number (3697803).

Almost surely, 2^12326005 is an apocalyptic number.

It is an amenable number.

12326005 is a deficient number, since it is larger than the sum of its proper divisors (2465207).

12326005 is an equidigital number, since it uses as much as digits as its factorization.

12326005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465206.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 12326005 is about 3510.8410673228. The cubic root of 12326005 is about 230.9975887257.

Adding to 12326005 its reverse (50062321), we get a palindrome (62388326).

The spelling of 12326005 in words is "twelve million, three hundred twenty-six thousand, five".