12528379 has 2 divisors, whose sum is σ = 12528380. Its totient is φ = 12528378.

The previous prime is 12528359. The next prime is 12528403. The reversal of 12528379 is 97382521.

It is a weak prime.

It is an emirp because it is prime and its reverse (97382521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12528379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12528349) 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, 6264189 + 6264190.

It is an arithmetic number, because the mean of its divisors is an integer number (6264190).

Almost surely, 2^12528379 is an apocalyptic number.

12528379 is a deficient number, since it is larger than the sum of its proper divisors (1).

12528379 is an equidigital number, since it uses as much as digits as its factorization.

12528379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 12528379 is about 3539.5450272599. The cubic root of 12528379 is about 232.2549404674.

The spelling of 12528379 in words is "twelve million, five hundred twenty-eight thousand, three hundred seventy-nine".