13863386 has 12 divisors (see below), whose sum is σ = 21490506. Its totient is φ = 6707160.

The previous prime is 13863379. The next prime is 13863391. The reversal of 13863386 is 68336831.

It can be written as a sum of positive squares in only one way, i.e., 9803161 + 4060225 = 3131^2 + 2015^2 .

It is a Curzon 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 5 ways as a sum of consecutive naturals, for example, 1685 + ... + 5528.

Almost surely, 2^13863386 is an apocalyptic number.

13863386 is a deficient number, since it is larger than the sum of its proper divisors (7627120).

13863386 is an equidigital number, since it uses as much as digits as its factorization.

13863386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7277 (or 7246 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 13863386 is about 3723.3568187860. The cubic root of 13863386 is about 240.2277121190.

The spelling of 13863386 in words is "thirteen million, eight hundred sixty-three thousand, three hundred eighty-six".