13052805 has 16 divisors (see below), whose sum is σ = 21102144. Its totient is φ = 6888960.

The previous prime is 13052803. The next prime is 13052833. The reversal of 13052805 is 50825031.

13052805 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13052805 - 2¹ = 13052803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13052803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3031 + ... + 5940.

It is an arithmetic number, because the mean of its divisors is an integer number (1318884).

Almost surely, 2^13052805 is an apocalyptic number.

13052805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13052805 is a deficient number, since it is larger than the sum of its proper divisors (8049339).

13052805 is an equidigital number, since it uses as much as digits as its factorization.

13052805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9076.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 13052805 is about 3612.8665903961. The cubic root of 13052805 is about 235.4514033722.

Adding to 13052805 its reverse (50825031), we get a palindrome (63877836).

The spelling of 13052805 in words is "thirteen million, fifty-two thousand, eight hundred five".