12976571 has 4 divisors (see below), whose sum is σ = 12984144. Its totient is φ = 12969000.

The previous prime is 12976567. The next prime is 12976643. The reversal of 12976571 is 17567921.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12976571 - 2² = 12976567 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12976511) 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 3 ways as a sum of consecutive naturals, for example, 146 + ... + 5096.

It is an arithmetic number, because the mean of its divisors is an integer number (3246036).

Almost surely, 2^12976571 is an apocalyptic number.

12976571 is a deficient number, since it is larger than the sum of its proper divisors (7573).

12976571 is an equidigital number, since it uses as much as digits as its factorization.

12976571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7572.

The product of its digits is 26460, while the sum is 38.

The square root of 12976571 is about 3602.3007925491. The cubic root of 12976571 is about 234.9921289049.

The spelling of 12976571 in words is "twelve million, nine hundred seventy-six thousand, five hundred seventy-one".