12427647 has 8 divisors (see below), whose sum is σ = 16639920. Its totient is φ = 8250240.

The previous prime is 12427607. The next prime is 12427661. The reversal of 12427647 is 74672421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12427647 - 2¹⁴ = 12411263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12427607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7872 + ... + 9317.

It is an arithmetic number, because the mean of its divisors is an integer number (2079990).

Almost surely, 2^12427647 is an apocalyptic number.

12427647 is a deficient number, since it is larger than the sum of its proper divisors (4212273).

12427647 is a wasteful number, since it uses less digits than its factorization.

12427647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17433.

The product of its digits is 18816, while the sum is 33.

The square root of 12427647 is about 3525.2867968436. The cubic root of 12427647 is about 231.6307977753.

The spelling of 12427647 in words is "twelve million, four hundred twenty-seven thousand, six hundred forty-seven".