13317730 has 8 divisors (see below), whose sum is σ = 23971932. Its totient is φ = 5327088.

The previous prime is 13317721. The next prime is 13317751. The reversal of 13317730 is 3771331.

13317730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12666481 + 651249 = 3559^2 + 807^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 13317695 and 13317704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665877 + ... + 665896.

Almost surely, 2^13317730 is an apocalyptic number.

13317730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13317730 is a deficient number, since it is larger than the sum of its proper divisors (10654202).

13317730 is a wasteful number, since it uses less digits than its factorization.

13317730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331780.

The product of its (nonzero) digits is 1323, while the sum is 25.

The square root of 13317730 is about 3649.3465168438. The cubic root of 13317730 is about 237.0336852071.

The spelling of 13317730 in words is "thirteen million, three hundred seventeen thousand, seven hundred thirty".