13706617 has 4 divisors (see below), whose sum is σ = 13786020. Its totient is φ = 13627216.

The previous prime is 13706611. The next prime is 13706663. The reversal of 13706617 is 71660731.

13706617 is digitally balanced in base 2, 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: 71660731 = 277 ⋅258703.

It can be written as a sum of positive squares in 2 ways, for example, as 12257001 + 1449616 = 3501^2 + 1204^2 .

It is a cyclic number.

It is not a de Polignac number, because 13706617 - 2¹¹ = 13704569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13706611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39442 + ... + 39787.

It is an arithmetic number, because the mean of its divisors is an integer number (3446505).

Almost surely, 2^13706617 is an apocalyptic number.

It is an amenable number.

13706617 is a deficient number, since it is larger than the sum of its proper divisors (79403).

13706617 is an equidigital number, since it uses as much as digits as its factorization.

13706617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79402.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 13706617 is about 3702.2448595413. The cubic root of 13706617 is about 239.3187684090.

The spelling of 13706617 in words is "thirteen million, seven hundred six thousand, six hundred seventeen".