18036105 has 16 divisors (see below), whose sum is σ = 29562624. Its totient is φ = 9384320.

The previous prime is 18036103. The next prime is 18036119. The reversal of 18036105 is 50163081.

It is not a de Polignac number, because 18036105 - 2¹ = 18036103 is a prime.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (18036101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14049 + ... + 15278.

It is an arithmetic number, because the mean of its divisors is an integer number (1847664).

Almost surely, 2^18036105 is an apocalyptic number.

18036105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18036105 is a deficient number, since it is larger than the sum of its proper divisors (11526519).

18036105 is a wasteful number, since it uses less digits than its factorization.

18036105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29376.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 18036105 is about 4246.8935705996. The cubic root of 18036105 is about 262.2492480750.

Adding to 18036105 its reverse (50163081), we get a palindrome (68199186).

The spelling of 18036105 in words is "eighteen million, thirty-six thousand, one hundred five".