12427864 has 16 divisors (see below), whose sum is σ = 23742720. Its totient is φ = 6096480.

The previous prime is 12427861. The next prime is 12427873. The reversal of 12427864 is 46872421.

It is a happy number.

12427864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12427861) 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, 14232 + ... + 15079.

It is an arithmetic number, because the mean of its divisors is an integer number (1483920).

Almost surely, 2^12427864 is an apocalyptic number.

It is an amenable number.

12427864 is a deficient number, since it is larger than the sum of its proper divisors (11314856).

12427864 is a wasteful number, since it uses less digits than its factorization.

12427864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29370 (or 29366 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 12427864 is about 3525.3175743470. The cubic root of 12427864 is about 231.6321459412.

The spelling of 12427864 in words is "twelve million, four hundred twenty-seven thousand, eight hundred sixty-four".