12627647 has 4 divisors (see below), whose sum is σ = 13292280. Its totient is φ = 11963016.

The previous prime is 12627607. The next prime is 12627649. The reversal of 12627647 is 74672621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74672621 = 3691 ⋅20231.

It is a cyclic number.

It is not a de Polignac number, because 12627647 - 2¹⁰ = 12626623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12627649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332288 + ... + 332325.

It is an arithmetic number, because the mean of its divisors is an integer number (3323070).

Almost surely, 2^12627647 is an apocalyptic number.

12627647 is a deficient number, since it is larger than the sum of its proper divisors (664633).

12627647 is an equidigital number, since it uses as much as digits as its factorization.

12627647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664632.

The product of its digits is 28224, while the sum is 35.

The square root of 12627647 is about 3553.5400659061. The cubic root of 12627647 is about 232.8667476579.

The spelling of 12627647 in words is "twelve million, six hundred twenty-seven thousand, six hundred forty-seven".