12824417 has 4 divisors (see below), whose sum is σ = 13041840. Its totient is φ = 12606996.

The previous prime is 12824389. The next prime is 12824447. The reversal of 12824417 is 71442821.

12824417 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12824417 - 2⁶ = 12824353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12824417.

It is not an unprimeable number, because it can be changed into a prime (12824447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108623 + ... + 108740.

It is an arithmetic number, because the mean of its divisors is an integer number (3260460).

Almost surely, 2^12824417 is an apocalyptic number.

It is an amenable number.

12824417 is a deficient number, since it is larger than the sum of its proper divisors (217423).

12824417 is an equidigital number, since it uses as much as digits as its factorization.

12824417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217422.

The product of its digits is 3584, while the sum is 29.

The square root of 12824417 is about 3581.1195176928. The cubic root of 12824417 is about 234.0700657060.

The spelling of 12824417 in words is "twelve million, eight hundred twenty-four thousand, four hundred seventeen".