12719929 has 2 divisors, whose sum is σ = 12719930. Its totient is φ = 12719928.

The previous prime is 12719891. The next prime is 12719933. The reversal of 12719929 is 92991721.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11560000 + 1159929 = 3400^2 + 1077^2 .

It is an emirp because it is prime and its reverse (92991721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12719929 - 2¹³ = 12711737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12719891 and 12719900.

It is not a weakly prime, because it can be changed into another prime (12719029) 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, 6359964 + 6359965.

It is an arithmetic number, because the mean of its divisors is an integer number (6359965).

Almost surely, 2^12719929 is an apocalyptic number.

It is an amenable number.

12719929 is a deficient number, since it is larger than the sum of its proper divisors (1).

12719929 is an equidigital number, since it uses as much as digits as its factorization.

12719929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 40.

The square root of 12719929 is about 3566.5009463058. The cubic root of 12719929 is about 233.4326296200.

The spelling of 12719929 in words is "twelve million, seven hundred nineteen thousand, nine hundred twenty-nine".