13709105 has 4 divisors (see below), whose sum is σ = 16450932. Its totient is φ = 10967280.

The previous prime is 13709057. The next prime is 13709117. The reversal of 13709105 is 50190731.

13709105 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.

It can be written as a sum of positive squares in 2 ways, for example, as 9991921 + 3717184 = 3161^2 + 1928^2 .

It is not a de Polignac number, because 13709105 - 2⁶ = 13709041 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, 1370906 + ... + 1370915.

It is an arithmetic number, because the mean of its divisors is an integer number (4112733).

Almost surely, 2^13709105 is an apocalyptic number.

It is an amenable number.

13709105 is a deficient number, since it is larger than the sum of its proper divisors (2741827).

13709105 is an equidigital number, since it uses as much as digits as its factorization.

13709105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741826.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 13709105 is about 3702.5808566458. The cubic root of 13709105 is about 239.3332477677. Note that the first 3 decimals are identical.

Adding to 13709105 its reverse (50190731), we get a palindrome (63899836).

The spelling of 13709105 in words is "thirteen million, seven hundred nine thousand, one hundred five".