12776716 has 6 divisors (see below), whose sum is σ = 22359260. Its totient is φ = 6388356.

The previous prime is 12776711. The next prime is 12776717. The reversal of 12776716 is 61767721.

It is not an unprimeable number, because it can be changed into a prime (12776711) 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 as a sum of consecutive naturals, namely, 1597086 + ... + 1597093.

Almost surely, 2^12776716 is an apocalyptic number.

It is an amenable number.

12776716 is a deficient number, since it is larger than the sum of its proper divisors (9582544).

12776716 is a wasteful number, since it uses less digits than its factorization.

12776716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194183 (or 3194181 counting only the distinct ones).

The product of its digits is 24696, while the sum is 37.

The square root of 12776716 is about 3574.4532449033. The cubic root of 12776716 is about 233.7794937381.

The spelling of 12776716 in words is "twelve million, seven hundred seventy-six thousand, seven hundred sixteen".