13317705 has 12 divisors (see below), whose sum is σ = 23084100. Its totient is φ = 7102752.

The previous prime is 13317679. The next prime is 13317709. The reversal of 13317705 is 50771331.

13317705 is digitally balanced in base 2 and base 4, because in such bases 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 5143824 + 8173881 = 2268^2 + 2859^2 .

It is not a de Polignac number, because 13317705 - 2⁵ = 13317673 is a prime.

It is a super-2 number, since 2×13317705² = 354722532934050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13317709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147930 + ... + 148019.

It is an arithmetic number, because the mean of its divisors is an integer number (1923675).

Almost surely, 2^13317705 is an apocalyptic number.

13317705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13317705 is a deficient number, since it is larger than the sum of its proper divisors (9766395).

13317705 is a wasteful number, since it uses less digits than its factorization.

13317705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295960 (or 295957 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 27.

The square root of 13317705 is about 3649.3430915714. The cubic root of 13317705 is about 237.0335368874.

The spelling of 13317705 in words is "thirteen million, three hundred seventeen thousand, seven hundred five".