13309682 has 8 divisors (see below), whose sum is σ = 20003052. Its totient is φ = 6642000.

The previous prime is 13309649. The next prime is 13309693. The reversal of 13309682 is 28690331.

It can be written as a sum of positive squares in 2 ways, for example, as 13097161 + 212521 = 3619^2 + 461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×13309682³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5069 + ... + 7232.

Almost surely, 2^13309682 is an apocalyptic number.

13309682 is a deficient number, since it is larger than the sum of its proper divisors (6693370).

13309682 is a wasteful number, since it uses less digits than its factorization.

13309682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12844.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 13309682 is about 3648.2436870363. The cubic root of 13309682 is about 236.9859285325.

The spelling of 13309682 in words is "thirteen million, three hundred nine thousand, six hundred eighty-two".