13043005 has 4 divisors (see below), whose sum is σ = 15651612. Its totient is φ = 10434400.

The previous prime is 13042999. The next prime is 13043053. The reversal of 13043005 is 50034031.

13043005 is digitally balanced in base 2, 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: 50034031 = 31 ⋅1614001.

It can be written as a sum of positive squares in 2 ways, for example, as 2968729 + 10074276 = 1723^2 + 3174^2 .

It is not a de Polignac number, because 13043005 - 2¹¹ = 13040957 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 13043005.

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, 1304296 + ... + 1304305.

It is an arithmetic number, because the mean of its divisors is an integer number (3912903).

Almost surely, 2^13043005 is an apocalyptic number.

It is an amenable number.

13043005 is a deficient number, since it is larger than the sum of its proper divisors (2608607).

13043005 is an equidigital number, since it uses as much as digits as its factorization.

13043005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608606.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 13043005 is about 3611.5100719782. The cubic root of 13043005 is about 235.3924632577.

Adding to 13043005 its reverse (50034031), we get a palindrome (63077036).

The spelling of 13043005 in words is "thirteen million, forty-three thousand, five".