12499 has 4 divisors (see below), whose sum is σ = 12960. Its totient is φ = 12040.

The previous prime is 12497. The next prime is 12503. The reversal of 12499 is 99421.

12499 = 5² + 6² + ... + 33².

12499 is nontrivially palindromic in base 3.

12499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12499 - 2¹ = 12497 is a prime.

It is a Duffinian number.

12499 is a lucky number.

It is a plaindrome in base 5, base 10 and base 14.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (12491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187 + ... + 244.

It is an arithmetic number, because the mean of its divisors is an integer number (3240).

2¹²⁴⁹⁹ is an apocalyptic number.

12499 is a deficient number, since it is larger than the sum of its proper divisors (461).

12499 is an equidigital number, since it uses as much as digits as its factorization.

12499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460.

The product of its digits is 648, while the sum is 25.

The square root of 12499 is about 111.7989266496. The cubic root of 12499 is about 23.2073252730.

It can be divided in two parts, 1 and 2499, that added together give a square (2500 = 50²).

The spelling of 12499 in words is "twelve thousand, four hundred ninety-nine".