12656267 has 16 divisors (see below), whose sum is σ = 14364000. Its totient is φ = 11069184.

The previous prime is 12656251. The next prime is 12656291. The reversal of 12656267 is 76265621.

12656267 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12656267 - 2⁴ = 12656251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12656227) 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 15 ways as a sum of consecutive naturals, for example, 21959 + ... + 22527.

It is an arithmetic number, because the mean of its divisors is an integer number (897750).

Almost surely, 2^12656267 is an apocalyptic number.

12656267 is a deficient number, since it is larger than the sum of its proper divisors (1707733).

12656267 is a wasteful number, since it uses less digits than its factorization.

12656267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670.

The product of its digits is 30240, while the sum is 35.

The square root of 12656267 is about 3557.5647569651. The cubic root of 12656267 is about 233.0425422881.

The spelling of 12656267 in words is "twelve million, six hundred fifty-six thousand, two hundred sixty-seven".