13750705 has 8 divisors (see below), whose sum is σ = 17471592. Its totient is φ = 10353408.

The previous prime is 13750697. The next prime is 13750721. The reversal of 13750705 is 50705731.

13750705 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 4 ways, for example, as 7485696 + 6265009 = 2736^2 + 2503^2 .

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

It is not a de Polignac number, because 13750705 - 2³ = 13750697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80802 + ... + 80971.

It is an arithmetic number, because the mean of its divisors is an integer number (2183949).

Almost surely, 2^13750705 is an apocalyptic number.

It is an amenable number.

13750705 is a deficient number, since it is larger than the sum of its proper divisors (3720887).

13750705 is a wasteful number, since it uses less digits than its factorization.

13750705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161795.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 13750705 is about 3708.1943045099. The cubic root of 13750705 is about 239.5750872692.

The spelling of 13750705 in words is "thirteen million, seven hundred fifty thousand, seven hundred five".