129226713 has 32 divisors (see below), whose sum is σ = 215393280. Its totient is φ = 66951360.

The previous prime is 129226679. The next prime is 129226729. The reversal of 129226713 is 317622921.

It is not a de Polignac number, because 129226713 - 2⁶ = 129226649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (129226753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170331 + ... + 171087.

It is an arithmetic number, because the mean of its divisors is an integer number (6731040).

Almost surely, 2^129226713 is an apocalyptic number.

It is an amenable number.

129226713 is a deficient number, since it is larger than the sum of its proper divisors (86166567).

129226713 is a wasteful number, since it uses less digits than its factorization.

129226713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517.

The product of its digits is 9072, while the sum is 33.

The square root of 129226713 is about 11367.7927936781. The cubic root of 129226713 is about 505.5732639738.

The spelling of 129226713 in words is "one hundred twenty-nine million, two hundred twenty-six thousand, seven hundred thirteen".