12668822 has 4 divisors (see below), whose sum is σ = 19003236. Its totient is φ = 6334410.

The previous prime is 12668819. The next prime is 12668827. The reversal of 12668822 is 22886621.

12668822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12668827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3167204 + ... + 3167207.

It is an arithmetic number, because the mean of its divisors is an integer number (4750809).

Almost surely, 2^12668822 is an apocalyptic number.

12668822 is a deficient number, since it is larger than the sum of its proper divisors (6334414).

12668822 is an equidigital number, since it uses as much as digits as its factorization.

12668822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6334413.

The product of its digits is 18432, while the sum is 35.

The square root of 12668822 is about 3559.3288693235. The cubic root of 12668822 is about 233.1195761184.

The spelling of 12668822 in words is "twelve million, six hundred sixty-eight thousand, eight hundred twenty-two".