18396011 has 2 divisors, whose sum is σ = 18396012. Its totient is φ = 18396010.

The previous prime is 18395999. The next prime is 18396013. The reversal of 18396011 is 11069381.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18396011 is a prime.

Together with 18396013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18396013) 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, 9198005 + 9198006.

It is an arithmetic number, because the mean of its divisors is an integer number (9198006).

Almost surely, 2^18396011 is an apocalyptic number.

18396011 is a deficient number, since it is larger than the sum of its proper divisors (1).

18396011 is an equidigital number, since it uses as much as digits as its factorization.

18396011 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 29.

The square root of 18396011 is about 4289.0571224921. The cubic root of 18396011 is about 263.9821450658.

The spelling of 18396011 in words is "eighteen million, three hundred ninety-six thousand, eleven".