13245011005 has 4 divisors (see below), whose sum is σ = 15894013212. Its totient is φ = 10596008800.

The previous prime is 13245010967. The next prime is 13245011033. The reversal of 13245011005 is 50011054231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50011054231 = 19 ⋅2632160749.

It can be written as a sum of positive squares in 2 ways, for example, as 3900502116 + 9344508889 = 62454^2 + 96667^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13245011005 is a prime.

It is a super-2 number, since 2×13245011005² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1324501096 + ... + 1324501105.

It is an arithmetic number, because the mean of its divisors is an integer number (3973503303).

Almost surely, 2^13245011005 is an apocalyptic number.

It is an amenable number.

13245011005 is a deficient number, since it is larger than the sum of its proper divisors (2649002207).

13245011005 is an equidigital number, since it uses as much as digits as its factorization.

13245011005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649002206.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 13245011005 its reverse (50011054231), we get a palindrome (63256065236).

The spelling of 13245011005 in words is "thirteen billion, two hundred forty-five million, eleven thousand, five".