12886019 has 2 divisors, whose sum is σ = 12886020. Its totient is φ = 12886018.

The previous prime is 12886007. The next prime is 12886061. The reversal of 12886019 is 91068821.

It is a weak prime.

It is an emirp because it is prime and its reverse (91068821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12886019 - 2¹² = 12881923 is a prime.

It is a super-2 number, since 2×12886019² = 332098971336722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12886019.

It is not a weakly prime, because it can be changed into another prime (12886099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6443009 + 6443010.

It is an arithmetic number, because the mean of its divisors is an integer number (6443010).

Almost surely, 2^12886019 is an apocalyptic number.

12886019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12886019 is an equidigital number, since it uses as much as digits as its factorization.

12886019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 12886019 is about 3589.7101554304. The cubic root of 12886019 is about 234.4442518677. Note that the first 3 decimals are identical.

The spelling of 12886019 in words is "twelve million, eight hundred eighty-six thousand, nineteen".