13885117 has 4 divisors (see below), whose sum is σ = 14333056. Its totient is φ = 13437180.

The previous prime is 13885103. The next prime is 13885129. The reversal of 13885117 is 71158831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71158831 = 809 ⋅87959.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13885117 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 (13885717) 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, 223923 + ... + 223984.

It is an arithmetic number, because the mean of its divisors is an integer number (3583264).

Almost surely, 2^13885117 is an apocalyptic number.

It is an amenable number.

13885117 is a deficient number, since it is larger than the sum of its proper divisors (447939).

13885117 is an equidigital number, since it uses as much as digits as its factorization.

13885117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447938.

The product of its digits is 6720, while the sum is 34.

The square root of 13885117 is about 3726.2738761395. The cubic root of 13885117 is about 240.3531663939.

The spelling of 13885117 in words is "thirteen million, eight hundred eighty-five thousand, one hundred seventeen".