12427071 has 8 divisors (see below), whose sum is σ = 16586544. Its totient is φ = 8276160.

The previous prime is 12427057. The next prime is 12427073. The reversal of 12427071 is 17072421.

12427071 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12427071 - 2⁷ = 12426943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12427073) 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, 3045 + ... + 5841.

It is an arithmetic number, because the mean of its divisors is an integer number (2073318).

Almost surely, 2^12427071 is an apocalyptic number.

12427071 is a deficient number, since it is larger than the sum of its proper divisors (4159473).

12427071 is a wasteful number, since it uses less digits than its factorization.

12427071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 12427071 is about 3525.2051004161. The cubic root of 12427071 is about 231.6272191574.

Adding to 12427071 its reverse (17072421), we get a palindrome (29499492).

The spelling of 12427071 in words is "twelve million, four hundred twenty-seven thousand, seventy-one".