12424864 has 12 divisors (see below), whose sum is σ = 24461514. Its totient is φ = 6212416.

The previous prime is 12424861. The next prime is 12424877. The reversal of 12424864 is 46842421.

12424864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10837264 + 1587600 = 3292^2 + 1260^2 .

It is not an unprimeable number, because it can be changed into a prime (12424861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194107 + ... + 194170.

Almost surely, 2^12424864 is an apocalyptic number.

It is an amenable number.

12424864 is a deficient number, since it is larger than the sum of its proper divisors (12036650).

12424864 is an equidigital number, since it uses as much as digits as its factorization.

12424864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388287 (or 388279 counting only the distinct ones).

The product of its digits is 12288, while the sum is 31.

The square root of 12424864 is about 3524.8920550848. The cubic root of 12424864 is about 231.6135063112.

The spelling of 12424864 in words is "twelve million, four hundred twenty-four thousand, eight hundred sixty-four".