12677768 has 8 divisors (see below), whose sum is σ = 23770830. Its totient is φ = 6338880.

The previous prime is 12677741. The next prime is 12677771. The reversal of 12677768 is 86777621.

It can be written as a sum of positive squares in only one way, i.e., 10876804 + 1800964 = 3298^2 + 1342^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 792353 + ... + 792368.

Almost surely, 2^12677768 is an apocalyptic number.

It is an amenable number.

12677768 is a deficient number, since it is larger than the sum of its proper divisors (11093062).

12677768 is a wasteful number, since it uses less digits than its factorization.

12677768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584727 (or 1584723 counting only the distinct ones).

The product of its digits is 197568, while the sum is 44.

The square root of 12677768 is about 3560.5853451364. The cubic root of 12677768 is about 233.1744351268.

The spelling of 12677768 in words is "twelve million, six hundred seventy-seven thousand, seven hundred sixty-eight".