13505465 has 8 divisors (see below), whose sum is σ = 16228680. Its totient is φ = 10789632.

The previous prime is 13505449. The next prime is 13505501. The reversal of 13505465 is 56450531.

It can be written as a sum of positive squares in 4 ways, for example, as 139129 + 13366336 = 373^2 + 3656^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13505465 - 2⁴ = 13505449 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3707 + ... + 6383.

It is an arithmetic number, because the mean of its divisors is an integer number (2028585).

Almost surely, 2^13505465 is an apocalyptic number.

It is an amenable number.

13505465 is a deficient number, since it is larger than the sum of its proper divisors (2723215).

13505465 is a wasteful number, since it uses less digits than its factorization.

13505465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 13505465 is about 3674.9782312280. The cubic root of 13505465 is about 238.1422836338.

Adding to 13505465 its reverse (56450531), we get a palindrome (69955996).

The spelling of 13505465 in words is "thirteen million, five hundred five thousand, four hundred sixty-five".