13053805 has 4 divisors (see below), whose sum is σ = 15664572. Its totient is φ = 10443040.

The previous prime is 13053797. The next prime is 13053829. The reversal of 13053805 is 50835031.

It is a happy number.

13053805 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.

It can be written as a sum of positive squares in 2 ways, for example, as 4678569 + 8375236 = 2163^2 + 2894^2 .

It is not a de Polignac number, because 13053805 - 2³ = 13053797 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 13053805.

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, 1305376 + ... + 1305385.

It is an arithmetic number, because the mean of its divisors is an integer number (3916143).

Almost surely, 2^13053805 is an apocalyptic number.

It is an amenable number.

13053805 is a deficient number, since it is larger than the sum of its proper divisors (2610767).

13053805 is an equidigital number, since it uses as much as digits as its factorization.

13053805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610766.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 13053805 is about 3613.0049820060. The cubic root of 13053805 is about 235.4574160106.

Adding to 13053805 its reverse (50835031), we get a palindrome (63888836).

It can be divided in two parts, 130 and 53805, that added together give a palindrome (53935).

The spelling of 13053805 in words is "thirteen million, fifty-three thousand, eight hundred five".