12819613 has 2 divisors, whose sum is σ = 12819614. Its totient is φ = 12819612.

The previous prime is 12819607. The next prime is 12819619. The reversal of 12819613 is 31691821.

12819613 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (12819607) and next prime (12819619).

It can be written as a sum of positive squares in only one way, i.e., 12687844 + 131769 = 3562^2 + 363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12819613 is a prime.

It is a super-3 number, since 3×12819613³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12819619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6409806 + 6409807.

It is an arithmetic number, because the mean of its divisors is an integer number (6409807).

Almost surely, 2^12819613 is an apocalyptic number.

It is an amenable number.

12819613 is a deficient number, since it is larger than the sum of its proper divisors (1).

12819613 is an equidigital number, since it uses as much as digits as its factorization.

12819613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 31.

The square root of 12819613 is about 3580.4487148959. The cubic root of 12819613 is about 234.0408346688.

The spelling of 12819613 in words is "twelve million, eight hundred nineteen thousand, six hundred thirteen".