13504465 has 16 divisors (see below), whose sum is σ = 17530128. Its totient is φ = 9927936.

The previous prime is 13504429. The next prime is 13504471. The reversal of 13504465 is 56440531.

It can be written as a sum of positive squares in 8 ways, for example, as 2954961 + 10549504 = 1719^2 + 3248^2 .

It is a cyclic number.

It is not a de Polignac number, because 13504465 - 2¹¹ = 13502417 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 23967 + ... + 24523.

It is an arithmetic number, because the mean of its divisors is an integer number (1095633).

Almost surely, 2^13504465 is an apocalyptic number.

It is an amenable number.

13504465 is a deficient number, since it is larger than the sum of its proper divisors (4025663).

13504465 is a wasteful number, since it uses less digits than its factorization.

13504465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 13504465 is about 3674.8421734817. The cubic root of 13504465 is about 238.1364058117.

Adding to 13504465 its reverse (56440531), we get a palindrome (69944996).

The spelling of 13504465 in words is "thirteen million, five hundred four thousand, four hundred sixty-five".