13105727 has 4 divisors (see below), whose sum is σ = 13119120. Its totient is φ = 13092336.

The previous prime is 13105723. The next prime is 13105739. The reversal of 13105727 is 72750131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13105727 - 2² = 13105723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13105696 and 13105705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5102 + ... + 7227.

It is an arithmetic number, because the mean of its divisors is an integer number (3279780).

Almost surely, 2^13105727 is an apocalyptic number.

13105727 is a deficient number, since it is larger than the sum of its proper divisors (13393).

13105727 is a wasteful number, since it uses less digits than its factorization.

13105727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13392.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 13105727 is about 3620.1832826530. The cubic root of 13105727 is about 235.7691832605.

Adding to 13105727 its reverse (72750131), we get a palindrome (85855858).

The spelling of 13105727 in words is "thirteen million, one hundred five thousand, seven hundred twenty-seven".