18713327 has 2 divisors, whose sum is σ = 18713328. Its totient is φ = 18713326.

The previous prime is 18713297. The next prime is 18713333. The reversal of 18713327 is 72331781.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18713327 - 2¹⁰ = 18712303 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 18713293 and 18713302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18713027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9356663 + 9356664.

It is an arithmetic number, because the mean of its divisors is an integer number (9356664).

Almost surely, 2^18713327 is an apocalyptic number.

18713327 is a deficient number, since it is larger than the sum of its proper divisors (1).

18713327 is an equidigital number, since it uses as much as digits as its factorization.

18713327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 32.

The square root of 18713327 is about 4325.8903129876. The cubic root of 18713327 is about 265.4913253491.

The spelling of 18713327 in words is "eighteen million, seven hundred thirteen thousand, three hundred twenty-seven".