13499 has 2 divisors, whose sum is σ = 13500. Its totient is φ = 13498.

The previous prime is 13487. The next prime is 13513. The reversal of 13499 is 99431.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (99431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13499 - 2¹² = 9403 is a prime.

It is a Chen prime.

It is a plaindrome in base 10, base 15 and base 16.

It is not a weakly prime, because it can be changed into another prime (13469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6749 + 6750.

It is an arithmetic number, because the mean of its divisors is an integer number (6750).

2¹³⁴⁹⁹ is an apocalyptic number.

13499 is a deficient number, since it is larger than the sum of its proper divisors (1).

13499 is an equidigital number, since it uses as much as digits as its factorization.

13499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 26.

The square root of 13499 is about 116.1851969917. The cubic root of 13499 is about 23.8104278387.

It can be divided in two parts, 13 and 499, that added together give a 9-th power (512 = 2⁹).

The spelling of 13499 in words is "thirteen thousand, four hundred ninety-nine".