13717328 has 10 divisors (see below), whose sum is σ = 26577354. Its totient is φ = 6858656.

The previous prime is 13717289. The next prime is 13717331. The reversal of 13717328 is 82371731.

It can be written as a sum of positive squares in only one way, i.e., 10061584 + 3655744 = 3172^2 + 1912^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13717294 and 13717303.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 428651 + ... + 428682.

Almost surely, 2^13717328 is an apocalyptic number.

It is an amenable number.

13717328 is a deficient number, since it is larger than the sum of its proper divisors (12860026).

13717328 is an equidigital number, since it uses as much as digits as its factorization.

13717328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857341 (or 857335 counting only the distinct ones).

The product of its digits is 7056, while the sum is 32.

The square root of 13717328 is about 3703.6911318305. The cubic root of 13717328 is about 239.3810905199.

The spelling of 13717328 in words is "thirteen million, seven hundred seventeen thousand, three hundred twenty-eight".