12776697 has 12 divisors (see below), whose sum is σ = 19139120. Its totient is φ = 8517636.

The previous prime is 12776677. The next prime is 12776711. The reversal of 12776697 is 79667721.

It is not a de Polignac number, because 12776697 - 2⁸ = 12776441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12776677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26047 + ... + 26532.

Almost surely, 2^12776697 is an apocalyptic number.

It is an amenable number.

12776697 is a deficient number, since it is larger than the sum of its proper divisors (6362423).

12776697 is an frugal number, since it uses more digits than its factorization.

12776697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52594 (or 52582 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 12776697 is about 3574.4505871532. The cubic root of 12776697 is about 233.7793778551.

The spelling of 12776697 in words is "twelve million, seven hundred seventy-six thousand, six hundred ninety-seven".