12719419 has 2 divisors, whose sum is σ = 12719420. Its totient is φ = 12719418.

The previous prime is 12719407. The next prime is 12719459. The reversal of 12719419 is 91491721.

It is a weak prime.

It is an emirp because it is prime and its reverse (91491721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12719419 - 2⁵ = 12719387 is a prime.

It is a super-2 number, since 2×12719419² = 323567239395122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12719459) 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, 6359709 + 6359710.

It is an arithmetic number, because the mean of its divisors is an integer number (6359710).

Almost surely, 2^12719419 is an apocalyptic number.

12719419 is a deficient number, since it is larger than the sum of its proper divisors (1).

12719419 is an equidigital number, since it uses as much as digits as its factorization.

12719419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 34.

The square root of 12719419 is about 3566.4294469399. The cubic root of 12719419 is about 233.4295097852.

The spelling of 12719419 in words is "twelve million, seven hundred nineteen thousand, four hundred nineteen".