13129011 has 24 divisors (see below), whose sum is σ = 22120800. Its totient is φ = 7500528.

The previous prime is 13128991. The next prime is 13129063. The reversal of 13129011 is 11092131.

It is not a de Polignac number, because 13129011 - 2⁹ = 13128499 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13129111) 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 23 ways as a sum of consecutive naturals, for example, 961 + ... + 5213.

It is an arithmetic number, because the mean of its divisors is an integer number (921700).

Almost surely, 2^13129011 is an apocalyptic number.

13129011 is a deficient number, since it is larger than the sum of its proper divisors (8991789).

13129011 is an equidigital number, since it uses as much as digits as its factorization.

13129011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280 (or 4263 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 13129011 is about 3623.3977148527. The cubic root of 13129011 is about 235.9087253565.

The spelling of 13129011 in words is "thirteen million, one hundred twenty-nine thousand, eleven".