18412027 has 2 divisors, whose sum is σ = 18412028. Its totient is φ = 18412026.

The previous prime is 18412001. The next prime is 18412039. The reversal of 18412027 is 72021481.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18412027 - 2¹⁹ = 17887739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18411992 and 18412010.

It is not a weakly prime, because it can be changed into another prime (18412327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9206013 + 9206014.

It is an arithmetic number, because the mean of its divisors is an integer number (9206014).

Almost surely, 2^18412027 is an apocalyptic number.

18412027 is a deficient number, since it is larger than the sum of its proper divisors (1).

18412027 is an equidigital number, since it uses as much as digits as its factorization.

18412027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 18412027 is about 4290.9237933107. The cubic root of 18412027 is about 264.0587325326.

The spelling of 18412027 in words is "eighteen million, four hundred twelve thousand, twenty-seven".