12768877 has 4 divisors (see below), whose sum is σ = 13929696. Its totient is φ = 11608060.

The previous prime is 12768857. The next prime is 12768881. The reversal of 12768877 is 77886721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12768877 is a prime.

It is a super-2 number, since 2×12768877² = 326088439682258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12768827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580393 + ... + 580414.

It is an arithmetic number, because the mean of its divisors is an integer number (3482424).

Almost surely, 2^12768877 is an apocalyptic number.

It is an amenable number.

12768877 is a deficient number, since it is larger than the sum of its proper divisors (1160819).

12768877 is a wasteful number, since it uses less digits than its factorization.

12768877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160818.

The product of its digits is 263424, while the sum is 46.

The square root of 12768877 is about 3573.3565453226. The cubic root of 12768877 is about 233.7316730939.

It can be divided in two parts, 127688 and 77, that added together give a triangular number (127765 = T₅₀₅).

The spelling of 12768877 in words is "twelve million, seven hundred sixty-eight thousand, eight hundred seventy-seven".