12677919 has 4 divisors (see below), whose sum is σ = 16903896. Its totient is φ = 8451944.

The previous prime is 12677911. The next prime is 12677923. The reversal of 12677919 is 91977621.

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 12677919 - 2³ = 12677911 is a prime.

It is a super-2 number, since 2×12677919² = 321459260341122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12677911) 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, 2112984 + ... + 2112989.

It is an arithmetic number, because the mean of its divisors is an integer number (4225974).

Almost surely, 2^12677919 is an apocalyptic number.

12677919 is a deficient number, since it is larger than the sum of its proper divisors (4225977).

12677919 is an equidigital number, since it uses as much as digits as its factorization.

12677919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225976.

The product of its digits is 47628, while the sum is 42.

The square root of 12677919 is about 3560.6065494519. The cubic root of 12677919 is about 233.1753608733.

The spelling of 12677919 in words is "twelve million, six hundred seventy-seven thousand, nine hundred nineteen".