12268689 has 4 divisors (see below), whose sum is σ = 16358256. Its totient is φ = 8179124.

The previous prime is 12268681. The next prime is 12268693. The reversal of 12268689 is 98686221.

12268689 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12268689 - 2³ = 12268681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12268689.

It is not an unprimeable number, because it can be changed into a prime (12268681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2044779 + ... + 2044784.

It is an arithmetic number, because the mean of its divisors is an integer number (4089564).

Almost surely, 2^12268689 is an apocalyptic number.

It is an amenable number.

12268689 is a deficient number, since it is larger than the sum of its proper divisors (4089567).

12268689 is an equidigital number, since it uses as much as digits as its factorization.

12268689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4089566.

The product of its digits is 82944, while the sum is 42.

The square root of 12268689 is about 3502.6688396136. The cubic root of 12268689 is about 230.6389855724.

The spelling of 12268689 in words is "twelve million, two hundred sixty-eight thousand, six hundred eighty-nine".