12760866 has 12 divisors (see below), whose sum is σ = 27648582. Its totient is φ = 4253616.

The previous prime is 12760849. The next prime is 12760873. The reversal of 12760866 is 66806721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12425625 + 335241 = 3525^2 + 579^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12760866.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 354451 + ... + 354486.

Almost surely, 2^12760866 is an apocalyptic number.

12760866 is an abundant number, since it is smaller than the sum of its proper divisors (14887716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12760866 is a wasteful number, since it uses less digits than its factorization.

12760866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708945 (or 708942 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 12760866 is about 3572.2354345703. The cubic root of 12760866 is about 233.6827829645.

The spelling of 12760866 in words is "twelve million, seven hundred sixty thousand, eight hundred sixty-six".