13136005 has 4 divisors (see below), whose sum is σ = 15763212. Its totient is φ = 10508800.

The previous prime is 13136003. The next prime is 13136009. The reversal of 13136005 is 50063131.

13136005 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50063131 = 47 ⋅1065173.

It can be written as a sum of positive squares in 2 ways, for example, as 2934369 + 10201636 = 1713^2 + 3194^2 .

It is not a de Polignac number, because 13136005 - 2¹ = 13136003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13136003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1313596 + ... + 1313605.

It is an arithmetic number, because the mean of its divisors is an integer number (3940803).

Almost surely, 2^13136005 is an apocalyptic number.

It is an amenable number.

13136005 is a deficient number, since it is larger than the sum of its proper divisors (2627207).

13136005 is an equidigital number, since it uses as much as digits as its factorization.

13136005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627206.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 13136005 is about 3624.3627026003. The cubic root of 13136005 is about 235.9506084994.

Adding to 13136005 its reverse (50063131), we get a palindrome (63199136).

The spelling of 13136005 in words is "thirteen million, one hundred thirty-six thousand, five".