129683 has 4 divisors (see below), whose sum is σ = 132888. Its totient is φ = 126480.

The previous prime is 129671. The next prime is 129707. The reversal of 129683 is 386921.

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 129683 - 2¹⁰ = 128659 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 129683.

It is not an unprimeable number, because it can be changed into a prime (129643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1541 + ... + 1622.

It is an arithmetic number, because the mean of its divisors is an integer number (33222).

2¹²⁹⁶⁸³ is an apocalyptic number.

129683 is a deficient number, since it is larger than the sum of its proper divisors (3205).

129683 is an equidigital number, since it uses as much as digits as its factorization.

129683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204.

The product of its digits is 2592, while the sum is 29.

The square root of 129683 is about 360.1152593268. The cubic root of 129683 is about 50.6167608397.

The spelling of 129683 in words is "one hundred twenty-nine thousand, six hundred eighty-three".