12677877 has 20 divisors (see below), whose sum is σ = 19040076. Its totient is φ = 8406720.

The previous prime is 12677867. The next prime is 12677887. The reversal of 12677877 is 77877621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12677867) and next prime (12677887).

It can be written as a sum of positive squares in 2 ways, for example, as 4435236 + 8242641 = 2106^2 + 2871^2 .

It is not a de Polignac number, because 12677877 - 2¹² = 12673781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12677857) 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 19 ways as a sum of consecutive naturals, for example, 22483 + ... + 23039.

Almost surely, 2^12677877 is an apocalyptic number.

It is an amenable number.

12677877 is a deficient number, since it is larger than the sum of its proper divisors (6362199).

12677877 is an equidigital number, since it uses as much as digits as its factorization.

12677877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 841 counting only the distinct ones).

The product of its digits is 230496, while the sum is 45.

The square root of 12677877 is about 3560.6006515755. The cubic root of 12677877 is about 233.1751033816.

The spelling of 12677877 in words is "twelve million, six hundred seventy-seven thousand, eight hundred seventy-seven".