13502005 has 16 divisors (see below), whose sum is σ = 17823744. Its totient is φ = 9737280.

The previous prime is 13501993. The next prime is 13502011. The reversal of 13502005 is 50020531.

It is not a de Polignac number, because 13502005 - 2⁷ = 13501877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13502005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6019 + ... + 7951.

It is an arithmetic number, because the mean of its divisors is an integer number (1113984).

Almost surely, 2^13502005 is an apocalyptic number.

It is an amenable number.

13502005 is a deficient number, since it is larger than the sum of its proper divisors (4321739).

13502005 is a wasteful number, since it uses less digits than its factorization.

13502005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 13502005 is about 3674.5074499856. The cubic root of 13502005 is about 238.1219451343.

Adding to 13502005 its reverse (50020531), we get a palindrome (63522536).

The spelling of 13502005 in words is "thirteen million, five hundred two thousand, five".