13313005 has 4 divisors (see below), whose sum is σ = 15975612. Its totient is φ = 10650400.

The previous prime is 13312993. The next prime is 13313011. The reversal of 13313005 is 50031331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50031331 = 7 ⋅7147333.

It can be written as a sum of positive squares in 2 ways, for example, as 5579044 + 7733961 = 2362^2 + 2781^2 .

It is not a de Polignac number, because 13313005 - 2⁹ = 13312493 is a prime.

It is a super-2 number, since 2×13313005² = 354472204260050, which contains 22 as substring.

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 13313005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1331296 + ... + 1331305.

It is an arithmetic number, because the mean of its divisors is an integer number (3993903).

Almost surely, 2^13313005 is an apocalyptic number.

It is an amenable number.

13313005 is a deficient number, since it is larger than the sum of its proper divisors (2662607).

13313005 is an equidigital number, since it uses as much as digits as its factorization.

13313005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662606.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 13313005 is about 3648.6990832350. The cubic root of 13313005 is about 237.0056494823.

Adding to 13313005 its reverse (50031331), we get a palindrome (63344336).

The spelling of 13313005 in words is "thirteen million, three hundred thirteen thousand, five".