12719459 has 2 divisors, whose sum is σ = 12719460. Its totient is φ = 12719458.

The previous prime is 12719419. The next prime is 12719461. The reversal of 12719459 is 95491721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12719459 - 2¹⁶ = 12653923 is a prime.

Together with 12719461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12719419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6359729 + 6359730.

It is an arithmetic number, because the mean of its divisors is an integer number (6359730).

Almost surely, 2^12719459 is an apocalyptic number.

12719459 is a deficient number, since it is larger than the sum of its proper divisors (1).

12719459 is an equidigital number, since it uses as much as digits as its factorization.

12719459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 38.

The square root of 12719459 is about 3566.4350547851. The cubic root of 12719459 is about 233.4297544811.

The spelling of 12719459 in words is "twelve million, seven hundred nineteen thousand, four hundred fifty-nine".