13708985 has 4 divisors (see below), whose sum is σ = 16450788. Its totient is φ = 10967184.

The previous prime is 13708979. The next prime is 13708997. The reversal of 13708985 is 58980731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58980731 = 19 ⋅3104249.

It can be written as a sum of positive squares in 2 ways, for example, as 3139984 + 10569001 = 1772^2 + 3251^2 .

It is a cyclic number.

It is not a de Polignac number, because 13708985 - 2⁴ = 13708969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1370894 + ... + 1370903.

It is an arithmetic number, because the mean of its divisors is an integer number (4112697).

Almost surely, 2^13708985 is an apocalyptic number.

It is an amenable number.

13708985 is a deficient number, since it is larger than the sum of its proper divisors (2741803).

13708985 is an equidigital number, since it uses as much as digits as its factorization.

13708985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741802.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 13708985 is about 3702.5646516975. The cubic root of 13708985 is about 239.3325494466.

The spelling of 13708985 in words is "thirteen million, seven hundred eight thousand, nine hundred eighty-five".