13005129 has 4 divisors (see below), whose sum is σ = 17340176. Its totient is φ = 8670084.

The previous prime is 13005127. The next prime is 13005131. The reversal of 13005129 is 92150031.

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 (13005127) and next prime (13005131).

It is not a de Polignac number, because 13005129 - 2¹ = 13005127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13005121) 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, 2167519 + ... + 2167524.

It is an arithmetic number, because the mean of its divisors is an integer number (4335044).

Almost surely, 2^13005129 is an apocalyptic number.

It is an amenable number.

13005129 is a deficient number, since it is larger than the sum of its proper divisors (4335047).

13005129 is an equidigital number, since it uses as much as digits as its factorization.

13005129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4335046.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 13005129 is about 3606.2624696492. The cubic root of 13005129 is about 235.1643877719.

The spelling of 13005129 in words is "thirteen million, five thousand, one hundred twenty-nine".