12766616 has 8 divisors (see below), whose sum is σ = 23937420. Its totient is φ = 6383304.

The previous prime is 12766603. The next prime is 12766639. The reversal of 12766616 is 61666721.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 797906 + ... + 797921.

Almost surely, 2^12766616 is an apocalyptic number.

It is an amenable number.

12766616 is a deficient number, since it is larger than the sum of its proper divisors (11170804).

12766616 is a wasteful number, since it uses less digits than its factorization.

12766616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595833 (or 1595829 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 12766616 is about 3573.0401621029. The cubic root of 12766616 is about 233.7178765659.

The spelling of 12766616 in words is "twelve million, seven hundred sixty-six thousand, six hundred sixteen".