12719533 has 2 divisors, whose sum is σ = 12719534. Its totient is φ = 12719532.

The previous prime is 12719521. The next prime is 12719549. The reversal of 12719533 is 33591721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7327849 + 5391684 = 2707^2 + 2322^2 .

It is an emirp because it is prime and its reverse (33591721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12719533 - 2¹⁷ = 12588461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12719495 and 12719504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12719503) 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, 6359766 + 6359767.

It is an arithmetic number, because the mean of its divisors is an integer number (6359767).

Almost surely, 2^12719533 is an apocalyptic number.

It is an amenable number.

12719533 is a deficient number, since it is larger than the sum of its proper divisors (1).

12719533 is an equidigital number, since it uses as much as digits as its factorization.

12719533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 31.

The square root of 12719533 is about 3566.4454292755. The cubic root of 12719533 is about 233.4302071673.

The spelling of 12719533 in words is "twelve million, seven hundred nineteen thousand, five hundred thirty-three".