13315705 has 8 divisors (see below), whose sum is σ = 17208072. Its totient is φ = 9833088.

The previous prime is 13315703. The next prime is 13315723. The reversal of 13315705 is 50751331.

It can be written as a sum of positive squares in 4 ways, for example, as 182329 + 13133376 = 427^2 + 3624^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13315705 - 2¹ = 13315703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13315705.

It is not an unprimeable number, because it can be changed into a prime (13315703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102364 + ... + 102493.

It is an arithmetic number, because the mean of its divisors is an integer number (2151009).

Almost surely, 2^13315705 is an apocalyptic number.

It is an amenable number.

13315705 is a deficient number, since it is larger than the sum of its proper divisors (3892367).

13315705 is a wasteful number, since it uses less digits than its factorization.

13315705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204875.

The product of its (nonzero) digits is 1575, while the sum is 25.

The square root of 13315705 is about 3649.0690593629. The cubic root of 13315705 is about 237.0216707086.

The spelling of 13315705 in words is "thirteen million, three hundred fifteen thousand, seven hundred five".