12828407 has 2 divisors, whose sum is σ = 12828408. Its totient is φ = 12828406.

The previous prime is 12828377. The next prime is 12828427. The reversal of 12828407 is 70482821.

It is a strong prime.

It is an emirp because it is prime and its reverse (70482821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12828407 is a prime.

It is a super-3 number, since 3×12828407³ (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12828427) 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, 6414203 + 6414204.

It is an arithmetic number, because the mean of its divisors is an integer number (6414204).

Almost surely, 2^12828407 is an apocalyptic number.

12828407 is a deficient number, since it is larger than the sum of its proper divisors (1).

12828407 is an equidigital number, since it uses as much as digits as its factorization.

12828407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 12828407 is about 3581.6765627287. The cubic root of 12828407 is about 234.0943382252.

The spelling of 12828407 in words is "twelve million, eight hundred twenty-eight thousand, four hundred seven".