12427628 has 12 divisors (see below), whose sum is σ = 21875280. Its totient is φ = 6177552.

The previous prime is 12427607. The next prime is 12427661. The reversal of 12427628 is 82672421.

It is a junction number, because it is equal to n+sod(n) for n = 12427594 and 12427603.

It is an unprimeable number.

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, 8288 + ... + 9671.

It is an arithmetic number, because the mean of its divisors is an integer number (1822940).

Almost surely, 2^12427628 is an apocalyptic number.

It is an amenable number.

12427628 is a deficient number, since it is larger than the sum of its proper divisors (9447652).

12427628 is a wasteful number, since it uses less digits than its factorization.

12427628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18136 (or 18134 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 12427628 is about 3525.2841020264. The cubic root of 12427628 is about 231.6306797324.

The spelling of 12427628 in words is "twelve million, four hundred twenty-seven thousand, six hundred twenty-eight".