19608013 has 2 divisors, whose sum is σ = 19608014. Its totient is φ = 19608012.

The previous prime is 19608011. The next prime is 19608041. The reversal of 19608013 is 31080691.

It is a happy number.

It is an a-pointer prime, because the next prime (19608041) can be obtained adding 19608013 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16499844 + 3108169 = 4062^2 + 1763^2 .

It is a cyclic number.

It is not a de Polignac number, because 19608013 - 2¹ = 19608011 is a prime.

Together with 19608011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19608011) 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, 9804006 + 9804007.

It is an arithmetic number, because the mean of its divisors is an integer number (9804007).

Almost surely, 2^19608013 is an apocalyptic number.

It is an amenable number.

19608013 is a deficient number, since it is larger than the sum of its proper divisors (1).

19608013 is an equidigital number, since it uses as much as digits as its factorization.

19608013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 19608013 is about 4428.0936078633. The cubic root of 19608013 is about 269.6566875679.

The spelling of 19608013 in words is "nineteen million, six hundred eight thousand, thirteen".