18696011 has 2 divisors, whose sum is σ = 18696012. Its totient is φ = 18696010.

The previous prime is 18695977. The next prime is 18696017. The reversal of 18696011 is 11069681.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18696011 - 2¹⁰ = 18694987 is a prime.

It is not a weakly prime, because it can be changed into another prime (18696017) 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, 9348005 + 9348006.

It is an arithmetic number, because the mean of its divisors is an integer number (9348006).

Almost surely, 2^18696011 is an apocalyptic number.

18696011 is a deficient number, since it is larger than the sum of its proper divisors (1).

18696011 is an equidigital number, since it uses as much as digits as its factorization.

18696011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 18696011 is about 4323.8884120662. Note that the first 3 decimals coincide. The cubic root of 18696011 is about 265.4094110622.

The spelling of 18696011 in words is "eighteen million, six hundred ninety-six thousand, eleven".