18713027 has 2 divisors, whose sum is σ = 18713028. Its totient is φ = 18713026.

The previous prime is 18712943. The next prime is 18713113. The reversal of 18713027 is 72031781.

It is a weak prime.

It is an emirp because it is prime and its reverse (72031781) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18713027 - 2¹² = 18708931 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18713327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9356513 + 9356514.

It is an arithmetic number, because the mean of its divisors is an integer number (9356514).

Almost surely, 2^18713027 is an apocalyptic number.

18713027 is a deficient number, since it is larger than the sum of its proper divisors (1).

18713027 is an equidigital number, since it uses as much as digits as its factorization.

18713027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 18713027 is about 4325.8556379056. The cubic root of 18713027 is about 265.4899066129.

The spelling of 18713027 in words is "eighteen million, seven hundred thirteen thousand, twenty-seven".