13403065 has 16 divisors (see below), whose sum is σ = 17792208. Its totient is φ = 9628416.

The previous prime is 13403059. The next prime is 13403069. The reversal of 13403065 is 56030431.

13403065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1382976 + 12020089 = 1176^2 + 3467^2 .

It is a cyclic number.

It is not a de Polignac number, because 13403065 - 2⁷ = 13402937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13403069) 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, 382 + ... + 5191.

It is an arithmetic number, because the mean of its divisors is an integer number (1112013).

Almost surely, 2^13403065 is an apocalyptic number.

It is an amenable number.

13403065 is a deficient number, since it is larger than the sum of its proper divisors (4389143).

13403065 is a wasteful number, since it uses less digits than its factorization.

13403065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5628.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 13403065 is about 3661.0196667049. The cubic root of 13403065 is about 237.5388819075.

Adding to 13403065 its reverse (56030431), we get a palindrome (69433496).

The spelling of 13403065 in words is "thirteen million, four hundred three thousand, sixty-five".