12668955 has 16 divisors (see below), whose sum is σ = 21829920. Its totient is φ = 6236928.

The previous prime is 12668951. The next prime is 12668977. The reversal of 12668955 is 55986621.

It is not a de Polignac number, because 12668955 - 2² = 12668951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12668951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32290 + ... + 32679.

It is an arithmetic number, because the mean of its divisors is an integer number (1364370).

Almost surely, 2^12668955 is an apocalyptic number.

12668955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12668955 is a deficient number, since it is larger than the sum of its proper divisors (9160965).

12668955 is a wasteful number, since it uses less digits than its factorization.

12668955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64990.

The product of its digits is 129600, while the sum is 42.

The square root of 12668955 is about 3559.3475525720. The cubic root of 12668955 is about 233.1203918952.

The spelling of 12668955 in words is "twelve million, six hundred sixty-eight thousand, nine hundred fifty-five".