18036207 has 12 divisors (see below), whose sum is σ = 29774160. Its totient is φ = 10306368.

The previous prime is 18036169. The next prime is 18036229. The reversal of 18036207 is 70263081.

It is not a de Polignac number, because 18036207 - 2¹⁰ = 18035183 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18036247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143082 + ... + 143207.

It is an arithmetic number, because the mean of its divisors is an integer number (2481180).

Almost surely, 2^18036207 is an apocalyptic number.

18036207 is a deficient number, since it is larger than the sum of its proper divisors (11737953).

18036207 is a wasteful number, since it uses less digits than its factorization.

18036207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286302 (or 286299 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 18036207 is about 4246.9055793601. The cubic root of 18036207 is about 262.2497424421.

Adding to 18036207 its reverse (70263081), we get a palindrome (88299288).

The spelling of 18036207 in words is "eighteen million, thirty-six thousand, two hundred seven".