12766851 has 12 divisors (see below), whose sum is σ = 18473728. Its totient is φ = 8496144.

The previous prime is 12766801. The next prime is 12766883. The reversal of 12766851 is 15866721.

It is not a de Polignac number, because 12766851 - 2¹⁹ = 12242563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12766801) 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 11 ways as a sum of consecutive naturals, for example, 6846 + ... + 8508.

Almost surely, 2^12766851 is an apocalyptic number.

12766851 is a deficient number, since it is larger than the sum of its proper divisors (5706877).

12766851 is a wasteful number, since it uses less digits than its factorization.

12766851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522 (or 2519 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 12766851 is about 3573.0730471122. The cubic root of 12766851 is about 233.7193106020.

The spelling of 12766851 in words is "twelve million, seven hundred sixty-six thousand, eight hundred fifty-one".