13861117 has 8 divisors (see below), whose sum is σ = 14141952. Its totient is φ = 13582800.

The previous prime is 13861109. The next prime is 13861121. The reversal of 13861117 is 71116831.

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

It is a cyclic number.

It is not a de Polignac number, because 13861117 - 2³ = 13861109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13861187) 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 7 ways as a sum of consecutive naturals, for example, 13492 + ... + 14482.

It is an arithmetic number, because the mean of its divisors is an integer number (1767744).

Almost surely, 2^13861117 is an apocalyptic number.

It is an amenable number.

13861117 is a deficient number, since it is larger than the sum of its proper divisors (280835).

13861117 is an equidigital number, since it uses as much as digits as its factorization.

13861117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259.

The product of its digits is 1008, while the sum is 28.

The square root of 13861117 is about 3723.0521081500. The cubic root of 13861117 is about 240.2146054985.

Adding to 13861117 its reverse (71116831), we get a palindrome (84977948).

The spelling of 13861117 in words is "thirteen million, eight hundred sixty-one thousand, one hundred seventeen".