12427747 has 8 divisors (see below), whose sum is σ = 12986640. Its totient is φ = 11877600.

The previous prime is 12427741. The next prime is 12427759. The reversal of 12427747 is 74772421.

It is a happy number.

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

It is not a de Polignac number, because 12427747 - 2¹⁵ = 12394979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12427741) 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, 808 + ... + 5050.

It is an arithmetic number, because the mean of its divisors is an integer number (1623330).

Almost surely, 2^12427747 is an apocalyptic number.

12427747 is a deficient number, since it is larger than the sum of its proper divisors (558893).

12427747 is a wasteful number, since it uses less digits than its factorization.

12427747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4373.

The product of its digits is 21952, while the sum is 34.

The square root of 12427747 is about 3525.3009800583. The cubic root of 12427747 is about 231.6314190518.

The spelling of 12427747 in words is "twelve million, four hundred twenty-seven thousand, seven hundred forty-seven".