13650505 has 16 divisors (see below), whose sum is σ = 17953344. Its totient is φ = 9881280.

The previous prime is 13650491. The next prime is 13650517. The reversal of 13650505 is 50505631.

It is not a de Polignac number, because 13650505 - 2¹¹ = 13648457 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 13650505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15127 + ... + 16003.

It is an arithmetic number, because the mean of its divisors is an integer number (1122084).

Almost surely, 2^13650505 is an apocalyptic number.

It is an amenable number.

13650505 is a deficient number, since it is larger than the sum of its proper divisors (4302839).

13650505 is a wasteful number, since it uses less digits than its factorization.

13650505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 13650505 is about 3694.6589829103. The cubic root of 13650505 is about 238.9917482256.

The spelling of 13650505 in words is "thirteen million, six hundred fifty thousand, five hundred five".