12824387 has 2 divisors, whose sum is σ = 12824388. Its totient is φ = 12824386.

The previous prime is 12824353. The next prime is 12824389. The reversal of 12824387 is 78342821.

It is a strong prime.

It is an emirp because it is prime and its reverse (78342821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12824387 - 2⁶ = 12824323 is a prime.

Together with 12824389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12824389) 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 as a sum of consecutive naturals, namely, 6412193 + 6412194.

It is an arithmetic number, because the mean of its divisors is an integer number (6412194).

Almost surely, 2^12824387 is an apocalyptic number.

12824387 is a deficient number, since it is larger than the sum of its proper divisors (1).

12824387 is an equidigital number, since it uses as much as digits as its factorization.

12824387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 35.

The square root of 12824387 is about 3581.1153290560. The cubic root of 12824387 is about 234.0698831868.

The spelling of 12824387 in words is "twelve million, eight hundred twenty-four thousand, three hundred eighty-seven".