13305650 has 24 divisors (see below), whose sum is σ = 25220484. Its totient is φ = 5220800.

The previous prime is 13305641. The next prime is 13305659. The reversal of 13305650 is 5650331.

It is an interprime number because it is at equal distance from previous prime (13305641) and next prime (13305659).

It can be written as a sum of positive squares in 6 ways, for example, as 9357481 + 3948169 = 3059^2 + 1987^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13305659) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 140 + ... + 5160.

Almost surely, 2^13305650 is an apocalyptic number.

13305650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13305650 is a deficient number, since it is larger than the sum of its proper divisors (11914834).

13305650 is a wasteful number, since it uses less digits than its factorization.

13305650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086 (or 5081 counting only the distinct ones).

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

The square root of 13305650 is about 3647.6910505140. The cubic root of 13305650 is about 236.9619954846.

Adding to 13305650 its reverse (5650331), we get a palindrome (18955981).

The spelling of 13305650 in words is "thirteen million, three hundred five thousand, six hundred fifty".