18005314 has 8 divisors (see below), whose sum is σ = 27666828. Its totient is φ = 8783040.

The previous prime is 18005291. The next prime is 18005333. The reversal of 18005314 is 41350081.

It can be written as a sum of positive squares in 2 ways, for example, as 17918289 + 87025 = 4233^2 + 295^2 .

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

It is a plaindrome in base 14.

It is an unprimeable number.

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, 109707 + ... + 109870.

Almost surely, 2^18005314 is an apocalyptic number.

18005314 is a deficient number, since it is larger than the sum of its proper divisors (9661514).

18005314 is a wasteful number, since it uses less digits than its factorization.

18005314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219620.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 18005314 is about 4243.2669018104. The cubic root of 18005314 is about 262.0999269200.

Adding to 18005314 its reverse (41350081), we get a palindrome (59355395).

The spelling of 18005314 in words is "eighteen million, five thousand, three hundred fourteen".