13863385 has 8 divisors (see below), whose sum is σ = 16672896. Its totient is φ = 11066160.

The previous prime is 13863379. The next prime is 13863391. The reversal of 13863385 is 58336831.

It is an interprime number because it is at equal distance from previous prime (13863379) and next prime (13863391).

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

It is not a de Polignac number, because 13863385 - 2¹⁵ = 13830617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 369 + ... + 5278.

It is an arithmetic number, because the mean of its divisors is an integer number (2084112).

Almost surely, 2^13863385 is an apocalyptic number.

It is an amenable number.

13863385 is a deficient number, since it is larger than the sum of its proper divisors (2809511).

13863385 is an equidigital number, since it uses as much as digits as its factorization.

13863385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6143.

The product of its digits is 51840, while the sum is 37.

The square root of 13863385 is about 3723.3566844985. The cubic root of 13863385 is about 240.2277063430.

The spelling of 13863385 in words is "thirteen million, eight hundred sixty-three thousand, three hundred eighty-five".