12971266 has 16 divisors (see below), whose sum is σ = 24258240. Its totient is φ = 5053680.

The previous prime is 12971263. The next prime is 12971279. The reversal of 12971266 is 66217921.

It is not an unprimeable number, because it can be changed into a prime (12971261) 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 7 ways as a sum of consecutive naturals, for example, 41961 + ... + 42268.

It is an arithmetic number, because the mean of its divisors is an integer number (1516140).

Almost surely, 2^12971266 is an apocalyptic number.

12971266 is a deficient number, since it is larger than the sum of its proper divisors (11286974).

12971266 is a wasteful number, since it uses less digits than its factorization.

12971266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84249.

The product of its digits is 9072, while the sum is 34.

The square root of 12971266 is about 3601.5643823205. The cubic root of 12971266 is about 234.9601018730.

The spelling of 12971266 in words is "twelve million, nine hundred seventy-one thousand, two hundred sixty-six".