12257326 has 4 divisors (see below), whose sum is σ = 18385992. Its totient is φ = 6128662.

The previous prime is 12257317. The next prime is 12257327. The reversal of 12257326 is 62375221.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 12257294 and 12257303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12257327) by changing a digit.

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 as a sum of consecutive naturals, namely, 3064330 + ... + 3064333.

It is an arithmetic number, because the mean of its divisors is an integer number (4596498).

Almost surely, 2^12257326 is an apocalyptic number.

12257326 is a deficient number, since it is larger than the sum of its proper divisors (6128666).

12257326 is an equidigital number, since it uses as much as digits as its factorization.

12257326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6128665.

The product of its digits is 5040, while the sum is 28.

The square root of 12257326 is about 3501.0464150022. The cubic root of 12257326 is about 230.5677592633.

The spelling of 12257326 in words is "twelve million, two hundred fifty-seven thousand, three hundred twenty-six".