13129 has 4 divisors (see below), whose sum is σ = 13840. Its totient is φ = 12420.

The previous prime is 13127. The next prime is 13147. The reversal of 13129 is 92131.

13129 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13129 - 2¹ = 13127 is a prime.

It is a Duffinian number.

13129 is a lucky number.

It is a plaindrome in base 16.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (13121) 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, 327 + ... + 364.

It is an arithmetic number, because the mean of its divisors is an integer number (3460).

2¹³¹²⁹ is an apocalyptic number.

13129 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13129 is a deficient number, since it is larger than the sum of its proper divisors (711).

13129 is an equidigital number, since it uses as much as digits as its factorization.

13129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710.

The product of its digits is 54, while the sum is 16.

The square root of 13129 is about 114.5818484752. The cubic root of 13129 is about 23.5908659472.

The spelling of 13129 in words is "thirteen thousand, one hundred twenty-nine".