12709919 has 2 divisors, whose sum is σ = 12709920. Its totient is φ = 12709918.

The previous prime is 12709913. The next prime is 12709933. The reversal of 12709919 is 91990721.

12709919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12709919 - 2⁴ = 12709903 is a prime.

It is a super-2 number, since 2×12709919² = 323084081973122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12709913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6354959 + 6354960.

It is an arithmetic number, because the mean of its divisors is an integer number (6354960).

Almost surely, 2^12709919 is an apocalyptic number.

12709919 is a deficient number, since it is larger than the sum of its proper divisors (1).

12709919 is an equidigital number, since it uses as much as digits as its factorization.

12709919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 38.

The square root of 12709919 is about 3565.0973338746. The cubic root of 12709919 is about 233.3713799637.

The spelling of 12709919 in words is "twelve million, seven hundred nine thousand, nine hundred nineteen".