12677839 has 4 divisors (see below), whose sum is σ = 12694320. Its totient is φ = 12661360.

The previous prime is 12677789. The next prime is 12677851. The reversal of 12677839 is 93877621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12677839 - 2⁷ = 12677711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12677795 and 12677804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12677339) 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, 7027 + ... + 8644.

It is an arithmetic number, because the mean of its divisors is an integer number (3173580).

Almost surely, 2^12677839 is an apocalyptic number.

12677839 is a deficient number, since it is larger than the sum of its proper divisors (16481).

12677839 is an equidigital number, since it uses as much as digits as its factorization.

12677839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16480.

The product of its digits is 127008, while the sum is 43.

The square root of 12677839 is about 3560.5953153932. The cubic root of 12677839 is about 233.1748704125.

The spelling of 12677839 in words is "twelve million, six hundred seventy-seven thousand, eight hundred thirty-nine".