13650305 has 8 divisors (see below), whose sum is σ = 16452072. Its totient is φ = 10872448.

The previous prime is 13650289. The next prime is 13650313. The reversal of 13650305 is 50305631.

It can be written as a sum of positive squares in 4 ways, for example, as 524176 + 13126129 = 724^2 + 3623^2 .

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 13650305 - 2⁴ = 13650289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4694 + ... + 7023.

It is an arithmetic number, because the mean of its divisors is an integer number (2056509).

Almost surely, 2^13650305 is an apocalyptic number.

It is an amenable number.

13650305 is a deficient number, since it is larger than the sum of its proper divisors (2801767).

13650305 is a wasteful number, since it uses less digits than its factorization.

13650305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11955.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 13650305 is about 3694.6319167138. The cubic root of 13650305 is about 238.9905810262.

Adding to 13650305 its reverse (50305631), we get a palindrome (63955936).

The spelling of 13650305 in words is "thirteen million, six hundred fifty thousand, three hundred five".