13045129 has 4 divisors (see below), whose sum is σ = 13055380. Its totient is φ = 13034880.

The previous prime is 13045091. The next prime is 13045139. The reversal of 13045129 is 92154031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1836025 + 11209104 = 1355^2 + 3348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13045129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13045139) 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, 2892 + ... + 5869.

It is an arithmetic number, because the mean of its divisors is an integer number (3263845).

Almost surely, 2^13045129 is an apocalyptic number.

It is an amenable number.

13045129 is a deficient number, since it is larger than the sum of its proper divisors (10251).

13045129 is an equidigital number, since it uses as much as digits as its factorization.

13045129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 13045129 is about 3611.8041198271. The cubic root of 13045129 is about 235.4052401307.

The spelling of 13045129 in words is "thirteen million, forty-five thousand, one hundred twenty-nine".