12828539 has 2 divisors, whose sum is σ = 12828540. Its totient is φ = 12828538.

The previous prime is 12828511. The next prime is 12828559. The reversal of 12828539 is 93582821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12828539 is a prime.

It is a super-3 number, since 3×12828539³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12828559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6414269 + 6414270.

It is an arithmetic number, because the mean of its divisors is an integer number (6414270).

Almost surely, 2^12828539 is an apocalyptic number.

12828539 is a deficient number, since it is larger than the sum of its proper divisors (1).

12828539 is an equidigital number, since it uses as much as digits as its factorization.

12828539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 38.

The square root of 12828539 is about 3581.6949898058. The cubic root of 12828539 is about 234.0951411398.

The spelling of 12828539 in words is "twelve million, eight hundred twenty-eight thousand, five hundred thirty-nine".