18596 has 6 divisors (see below), whose sum is σ = 32550. Its totient is φ = 9296.

The previous prime is 18593. The next prime is 18617. The reversal of 18596 is 69581.

18596 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in only one way, i.e., 18496 + 100 = 136^2 + 10^2 .

It is a super-2 number, since 2×18596² = 691622432, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2321 + ... + 2328.

It is an arithmetic number, because the mean of its divisors is an integer number (5425).

2¹⁸⁵⁹⁶ is an apocalyptic number.

It is an amenable number.

18596 is a deficient number, since it is larger than the sum of its proper divisors (13954).

18596 is a wasteful number, since it uses less digits than its factorization.

18596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4653 (or 4651 counting only the distinct ones).

The product of its digits is 2160, while the sum is 29.

The square root of 18596 is about 136.3671514698. The cubic root of 18596 is about 26.4935311136.

The spelling of 18596 in words is "eighteen thousand, five hundred ninety-six".