129713 has 4 divisors (see below), whose sum is σ = 136560. Its totient is φ = 122868.

The previous prime is 129707. The next prime is 129719. The reversal of 129713 is 317921.

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 an interprime number because it is at equal distance from previous prime (129707) and next prime (129719).

It is a cyclic number.

It is not a de Polignac number, because 129713 - 2⁸ = 129457 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 129713.

It is not an unprimeable number, because it can be changed into a prime (129719) 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, 3395 + ... + 3432.

It is an arithmetic number, because the mean of its divisors is an integer number (34140).

2¹²⁹⁷¹³ is an apocalyptic number.

It is an amenable number.

129713 is a deficient number, since it is larger than the sum of its proper divisors (6847).

129713 is an equidigital number, since it uses as much as digits as its factorization.

129713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6846.

The product of its digits is 378, while the sum is 23.

The square root of 129713 is about 360.1569102489. The cubic root of 129713 is about 50.6206636534.

It can be divided in two parts, 1297 and 13, that multiplied together give a palindrome (16861).

The spelling of 129713 in words is "one hundred twenty-nine thousand, seven hundred thirteen".