13300805 has 18 divisors (see below), whose sum is σ = 18646866. Its totient is φ = 9081408.

The previous prime is 13300799. The next prime is 13300811. The reversal of 13300805 is 50800331.

13300805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13300799) and next prime (13300811).

It can be written as a sum of positive squares in 3 ways, for example, as 196 + 13300609 = 14^2 + 3647^2 .

It is not a de Polignac number, because 13300805 - 2¹² = 13296709 is a prime.

It is a super-2 number, since 2×13300805² = 353822827296050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 56969 + ... + 57201.

It is an arithmetic number, because the mean of its divisors is an integer number (1035937).

Almost surely, 2^13300805 is an apocalyptic number.

It is an amenable number.

13300805 is a deficient number, since it is larger than the sum of its proper divisors (5346061).

13300805 is an frugal number, since it uses more digits than its factorization.

13300805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 13300805 is about 3647.0268713022. The cubic root of 13300805 is about 236.9332302546.

Multiplying 13300805 by its sum of digits (20), we get a square (266016100 = 16310²).

The spelling of 13300805 in words is "thirteen million, three hundred thousand, eight hundred five".