13249129 has 4 divisors (see below), whose sum is σ = 13330576. Its totient is φ = 13167684.

The previous prime is 13249111. The next prime is 13249141. The reversal of 13249129 is 92194231.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92194231 = 571 ⋅161461.

It is a cyclic number.

It is not a de Polignac number, because 13249129 - 2¹¹ = 13247081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13249129.

It is not an unprimeable number, because it can be changed into a prime (13249189) 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, 40479 + ... + 40804.

It is an arithmetic number, because the mean of its divisors is an integer number (3332644).

Almost surely, 2^13249129 is an apocalyptic number.

It is an amenable number.

13249129 is a deficient number, since it is larger than the sum of its proper divisors (81447).

13249129 is an equidigital number, since it uses as much as digits as its factorization.

13249129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81446.

The product of its digits is 3888, while the sum is 31.

The square root of 13249129 is about 3639.9353016228. The cubic root of 13249129 is about 236.6259893942.

The spelling of 13249129 in words is "thirteen million, two hundred forty-nine thousand, one hundred twenty-nine".