12823424 has 16 divisors (see below), whose sum is σ = 25546920. Its totient is φ = 6411648.

The previous prime is 12823411. The next prime is 12823427. The reversal of 12823424 is 42432821.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 12823393 and 12823402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12823427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49964 + ... + 50219.

Almost surely, 2^12823424 is an apocalyptic number.

It is an amenable number.

12823424 is a deficient number, since it is larger than the sum of its proper divisors (12723496).

12823424 is an equidigital number, since it uses as much as digits as its factorization.

12823424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100197 (or 100185 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 12823424 is about 3580.9808712139. The cubic root of 12823424 is about 234.0640241689.

The spelling of 12823424 in words is "twelve million, eight hundred twenty-three thousand, four hundred twenty-four".