12884387 has 2 divisors, whose sum is σ = 12884388. Its totient is φ = 12884386.

The previous prime is 12884371. The next prime is 12884411. The reversal of 12884387 is 78348821.

12884387 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (78348821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12884387 - 2⁴ = 12884371 is a prime.

It is not a weakly prime, because it can be changed into another prime (12884087) 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, 6442193 + 6442194.

It is an arithmetic number, because the mean of its divisors is an integer number (6442194).

Almost surely, 2^12884387 is an apocalyptic number.

12884387 is a deficient number, since it is larger than the sum of its proper divisors (1).

12884387 is an equidigital number, since it uses as much as digits as its factorization.

12884387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 41.

The square root of 12884387 is about 3589.4828318297. The cubic root of 12884387 is about 234.4343540817.

The spelling of 12884387 in words is "twelve million, eight hundred eighty-four thousand, three hundred eighty-seven".