12627857 has 4 divisors (see below), whose sum is σ = 13775856. Its totient is φ = 11479860.

The previous prime is 12627809. The next prime is 12627871. The reversal of 12627857 is 75872621.

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 not a de Polignac number, because 12627857 - 2¹⁰ = 12626833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12627857.

It is not an unprimeable number, because it can be changed into a prime (12627887) 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 3 ways as a sum of consecutive naturals, for example, 573983 + ... + 574004.

It is an arithmetic number, because the mean of its divisors is an integer number (3443964).

Almost surely, 2^12627857 is an apocalyptic number.

It is an amenable number.

12627857 is a deficient number, since it is larger than the sum of its proper divisors (1147999).

12627857 is a wasteful number, since it uses less digits than its factorization.

12627857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147998.

The product of its digits is 47040, while the sum is 38.

The square root of 12627857 is about 3553.5696137827. The cubic root of 12627857 is about 232.8680385224.

It can be divided in two parts, 1262 and 7857, that added together give a palindrome (9119).

The spelling of 12627857 in words is "twelve million, six hundred twenty-seven thousand, eight hundred fifty-seven".