12668901 has 12 divisors (see below), whose sum is σ = 19649952. Its totient is φ = 7239288.

The previous prime is 12668899. The next prime is 12668917. The reversal of 12668901 is 10986621.

It is not a de Polignac number, because 12668901 - 2¹ = 12668899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12668921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42945 + ... + 43238.

It is an arithmetic number, because the mean of its divisors is an integer number (1637496).

Almost surely, 2^12668901 is an apocalyptic number.

It is an amenable number.

12668901 is a deficient number, since it is larger than the sum of its proper divisors (6981051).

12668901 is an equidigital number, since it uses as much as digits as its factorization.

12668901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86200 (or 86193 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 12668901 is about 3559.3399669040. The cubic root of 12668901 is about 233.1200606783.

The spelling of 12668901 in words is "twelve million, six hundred sixty-eight thousand, nine hundred one".