12599 has 4 divisors (see below), whose sum is σ = 12936. Its totient is φ = 12264.

The previous prime is 12589. The next prime is 12601. The reversal of 12599 is 99521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99521 = 23 ⋅4327.

It is a cyclic number.

It is not a de Polignac number, because 12599 - 2⁴ = 12583 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10 and base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 12599.

It is not an unprimeable number, because it can be changed into a prime (12539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104 + ... + 189.

It is an arithmetic number, because the mean of its divisors is an integer number (3234).

2¹²⁵⁹⁹ is an apocalyptic number.

12599 is a deficient number, since it is larger than the sum of its proper divisors (337).

12599 is an equidigital number, since it uses as much as digits as its factorization.

12599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336.

The product of its digits is 810, while the sum is 26.

The square root of 12599 is about 112.2452671608. The cubic root of 12599 is about 23.2690520985.

The spelling of 12599 in words is "twelve thousand, five hundred ninety-nine".