12126267 has 30 divisors (see below), whose sum is σ = 19003292. Its totient is φ = 7705368.

The previous prime is 12126223. The next prime is 12126299. The reversal of 12126267 is 76262121.

It is not a de Polignac number, because 12126267 - 2⁷ = 12126139 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12126267.

It is not an unprimeable number, because it can be changed into a prime (12126167) 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 in 29 ways as a sum of consecutive naturals, for example, 42708 + ... + 42990.

Almost surely, 2^12126267 is an apocalyptic number.

12126267 is a deficient number, since it is larger than the sum of its proper divisors (6877025).

12126267 is an equidigital number, since it uses as much as digits as its factorization.

12126267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 309 counting only the distinct ones).

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

The square root of 12126267 is about 3482.2789951410. The cubic root of 12126267 is about 229.7430463743.

Adding to 12126267 its reverse (76262121), we get a palindrome (88388388).

The spelling of 12126267 in words is "twelve million, one hundred twenty-six thousand, two hundred sixty-seven".