12677427 has 72 divisors (see below), whose sum is σ = 24008400. Its totient is φ = 6386688.

The previous prime is 12677417. The next prime is 12677429. The reversal of 12677427 is 72477621.

It is a happy number.

12677427 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12677427 - 2⁴ = 12677411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12677391 and 12677400.

It is not an unprimeable number, because it can be changed into a prime (12677429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 142399 + ... + 142487.

It is an arithmetic number, because the mean of its divisors is an integer number (333450).

Almost surely, 2^12677427 is an apocalyptic number.

12677427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12677427 is a deficient number, since it is larger than the sum of its proper divisors (11330973).

12677427 is a wasteful number, since it uses less digits than its factorization.

12677427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 135 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 12677427 is about 3560.5374594294. The cubic root of 12677427 is about 233.1723445065.

The spelling of 12677427 in words is "twelve million, six hundred seventy-seven thousand, four hundred twenty-seven".