19327013 has 2 divisors, whose sum is σ = 19327014. Its totient is φ = 19327012.

The previous prime is 19326991. The next prime is 19327019. The reversal of 19327013 is 31072391.

19327013 is nontrivially palindromic in base 13.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17833729 + 1493284 = 4223^2 + 1222^2 .

It is a cyclic number.

It is not a de Polignac number, because 19327013 - 2⁸ = 19326757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19327019) 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, 9663506 + 9663507.

It is an arithmetic number, because the mean of its divisors is an integer number (9663507).

Almost surely, 2^19327013 is an apocalyptic number.

It is an amenable number.

19327013 is a deficient number, since it is larger than the sum of its proper divisors (1).

19327013 is an equidigital number, since it uses as much as digits as its factorization.

19327013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 19327013 is about 4396.2498791584. The cubic root of 19327013 is about 268.3623458808.

The spelling of 19327013 in words is "nineteen million, three hundred twenty-seven thousand, thirteen".