12643024 has 10 divisors (see below), whose sum is σ = 24495890. Its totient is φ = 6321504.

The previous prime is 12643021. The next prime is 12643049. The reversal of 12643024 is 42034621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11343424 + 1299600 = 3368^2 + 1140^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12642986 and 12643004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12643021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395079 + ... + 395110.

It is an arithmetic number, because the mean of its divisors is an integer number (2449589).

Almost surely, 2^12643024 is an apocalyptic number.

It is an amenable number.

12643024 is a deficient number, since it is larger than the sum of its proper divisors (11852866).

12643024 is an equidigital number, since it uses as much as digits as its factorization.

12643024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790197 (or 790191 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 12643024 is about 3555.7030247196. The cubic root of 12643024 is about 232.9612318609.

Adding to 12643024 its reverse (42034621), we get a palindrome (54677645).

The spelling of 12643024 in words is "twelve million, six hundred forty-three thousand, twenty-four".