18113206 has 8 divisors (see below), whose sum is σ = 27234144. Its totient is φ = 9035160.

The previous prime is 18113203. The next prime is 18113209. The reversal of 18113206 is 60231181.

It is an interprime number because it is at equal distance from previous prime (18113203) and next prime (18113209).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18113203) 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 3 ways as a sum of consecutive naturals, for example, 9645 + ... + 11368.

It is an arithmetic number, because the mean of its divisors is an integer number (3404268).

Almost surely, 2^18113206 is an apocalyptic number.

18113206 is a deficient number, since it is larger than the sum of its proper divisors (9120938).

18113206 is a wasteful number, since it uses less digits than its factorization.

18113206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21446.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 18113206 is about 4255.9612310264. The cubic root of 18113206 is about 262.6224057997.

Adding to 18113206 its reverse (60231181), we get a palindrome (78344387).

The spelling of 18113206 in words is "eighteen million, one hundred thirteen thousand, two hundred six".