12419387 has 2 divisors, whose sum is σ = 12419388. Its totient is φ = 12419386.

The previous prime is 12419377. The next prime is 12419399. The reversal of 12419387 is 78391421.

It is a weak prime.

It is an emirp because it is prime and its reverse (78391421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12419387 - 2¹⁰ = 12418363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12419317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6209693 + 6209694.

It is an arithmetic number, because the mean of its divisors is an integer number (6209694).

Almost surely, 2^12419387 is an apocalyptic number.

12419387 is a deficient number, since it is larger than the sum of its proper divisors (1).

12419387 is an equidigital number, since it uses as much as digits as its factorization.

12419387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 12419387 is about 3524.1150662258. The cubic root of 12419387 is about 231.5794688195.

The spelling of 12419387 in words is "twelve million, four hundred nineteen thousand, three hundred eighty-seven".