13320650 has 36 divisors (see below), whose sum is σ = 28826838. Its totient is φ = 4566240.

The previous prime is 13320617. The next prime is 13320677. The reversal of 13320650 is 5602331.

It can be written as a sum of positive squares in 3 ways, for example, as 10233601 + 3087049 = 3199^2 + 1757^2 .

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 17 ways as a sum of consecutive naturals, for example, 269 + ... + 5168.

Almost surely, 2^13320650 is an apocalyptic number.

13320650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13320650 is an abundant number, since it is smaller than the sum of its proper divisors (15506188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13320650 is a wasteful number, since it uses less digits than its factorization.

13320650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5463 (or 5451 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 13320650 is about 3649.7465665440. The cubic root of 13320650 is about 237.0510076733.

Adding to 13320650 its reverse (5602331), we get a palindrome (18922981).

The spelling of 13320650 in words is "thirteen million, three hundred twenty thousand, six hundred fifty".