12322126 has 4 divisors (see below), whose sum is σ = 18483192. Its totient is φ = 6161062.

The previous prime is 12322109. The next prime is 12322169. The reversal of 12322126 is 62122321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62122321 = 29 ⋅2142149.

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 as a sum of consecutive naturals, namely, 3080530 + ... + 3080533.

It is an arithmetic number, because the mean of its divisors is an integer number (4620798).

Almost surely, 2^12322126 is an apocalyptic number.

12322126 is a deficient number, since it is larger than the sum of its proper divisors (6161066).

12322126 is an equidigital number, since it uses as much as digits as its factorization.

12322126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6161065.

The product of its digits is 288, while the sum is 19.

The square root of 12322126 is about 3510.2885921246. The cubic root of 12322126 is about 230.9733544974.

Adding to 12322126 its reverse (62122321), we get a palindrome (74444447).

The spelling of 12322126 in words is "twelve million, three hundred twenty-two thousand, one hundred twenty-six".