12719671 has 2 divisors, whose sum is σ = 12719672. Its totient is φ = 12719670.

The previous prime is 12719653. The next prime is 12719741. The reversal of 12719671 is 17691721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12719671 - 2⁵ = 12719639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12719611) 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, 6359835 + 6359836.

It is an arithmetic number, because the mean of its divisors is an integer number (6359836).

Almost surely, 2^12719671 is an apocalyptic number.

12719671 is a deficient number, since it is larger than the sum of its proper divisors (1).

12719671 is an equidigital number, since it uses as much as digits as its factorization.

12719671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 34.

The square root of 12719671 is about 3566.4647762175. The cubic root of 12719671 is about 233.4310513611.

The spelling of 12719671 in words is "twelve million, seven hundred nineteen thousand, six hundred seventy-one".