13708865 has 4 divisors (see below), whose sum is σ = 16450644. Its totient is φ = 10967088.

The previous prime is 13708859. The next prime is 13708901. The reversal of 13708865 is 56880731.

13708865 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56880731 = 61 ⋅932471.

It can be written as a sum of positive squares in 2 ways, for example, as 8473921 + 5234944 = 2911^2 + 2288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13708865 is a prime.

It is a Duffinian number.

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, 1370882 + ... + 1370891.

It is an arithmetic number, because the mean of its divisors is an integer number (4112661).

Almost surely, 2^13708865 is an apocalyptic number.

It is an amenable number.

13708865 is a deficient number, since it is larger than the sum of its proper divisors (2741779).

13708865 is an equidigital number, since it uses as much as digits as its factorization.

13708865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741778.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 13708865 is about 3702.5484466783. The cubic root of 13708865 is about 239.3318511214.

The spelling of 13708865 in words is "thirteen million, seven hundred eight thousand, eight hundred sixty-five".