12804529 has 2 divisors, whose sum is σ = 12804530. Its totient is φ = 12804528.

The previous prime is 12804527. The next prime is 12804551. The reversal of 12804529 is 92540821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12588304 + 216225 = 3548^2 + 465^2 .

It is an emirp because it is prime and its reverse (92540821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12804529 - 2¹ = 12804527 is a prime.

Together with 12804527, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₈₃₇₃₇₃ and since 12804529 and 837373 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12804529.

It is not a weakly prime, because it can be changed into another prime (12804523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6402264 + 6402265.

It is an arithmetic number, because the mean of its divisors is an integer number (6402265).

Almost surely, 2^12804529 is an apocalyptic number.

It is an amenable number.

12804529 is a deficient number, since it is larger than the sum of its proper divisors (1).

12804529 is an equidigital number, since it uses as much as digits as its factorization.

12804529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 12804529 is about 3578.3416550128. The cubic root of 12804529 is about 233.9490051294.

The spelling of 12804529 in words is "twelve million, eight hundred four thousand, five hundred twenty-nine".