13099 has 2 divisors, whose sum is σ = 13100. Its totient is φ = 13098.

The previous prime is 13093. The next prime is 13103. The reversal of 13099 is 99031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13099 is a prime.

It is not a weakly prime, because it can be changed into another prime (13093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6549 + 6550.

It is an arithmetic number, because the mean of its divisors is an integer number (6550).

2¹³⁰⁹⁹ is an apocalyptic number.

13099 is a deficient number, since it is larger than the sum of its proper divisors (1).

13099 is an equidigital number, since it uses as much as digits as its factorization.

13099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 13099 is about 114.4508628189. The cubic root of 13099 is about 23.5728837267.

It can be divided in two parts, 1309 and 9, that multiplied together give a triangular number (11781 = T₁₅₃).

The spelling of 13099 in words is "thirteen thousand, ninety-nine".