13860113 has 4 divisors (see below), whose sum is σ = 13987380. Its totient is φ = 13732848.

The previous prime is 13860109. The next prime is 13860127. The reversal of 13860113 is 31106831.

13860113 = 2632² + 2633².

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 6932689 + 6927424 = 2633^2 + 2632^2 .

It is a cyclic number.

It is not a de Polignac number, because 13860113 - 2² = 13860109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13862113) by changing a digit.

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, 63470 + ... + 63687.

It is an arithmetic number, because the mean of its divisors is an integer number (3496845).

Almost surely, 2^13860113 is an apocalyptic number.

13860113 is the 2633-rd centered square number.

It is an amenable number.

13860113 is a deficient number, since it is larger than the sum of its proper divisors (127267).

13860113 is a wasteful number, since it uses less digits than its factorization.

13860113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127266.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 13860113 is about 3722.9172700988. The cubic root of 13860113 is about 240.2088055502.

Adding to 13860113 its reverse (31106831), we get a palindrome (44966944).

The spelling of 13860113 in words is "thirteen million, eight hundred sixty thousand, one hundred thirteen".