12267126 has 48 divisors (see below), whose sum is σ = 28252224. Its totient is φ = 3987144.

The previous prime is 12267121. The next prime is 12267127. The reversal of 12267126 is 62176221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 12267126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12267121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20605 + ... + 21191.

It is an arithmetic number, because the mean of its divisors is an integer number (588588).

Almost surely, 2^12267126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12267126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14126112).

12267126 is an abundant number, since it is smaller than the sum of its proper divisors (15985098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12267126 is an equidigital number, since it uses as much as digits as its factorization.

12267126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 635 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 12267126 is about 3502.4457169241. The cubic root of 12267126 is about 230.6291908816.

The spelling of 12267126 in words is "twelve million, two hundred sixty-seven thousand, one hundred twenty-six".