13881363 has 4 divisors (see below), whose sum is σ = 18508488. Its totient is φ = 9254240.

The previous prime is 13881337. The next prime is 13881377. The reversal of 13881363 is 36318831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36318831 = 3 ⋅12106277.

It is a cyclic number.

It is not a de Polignac number, because 13881363 - 2⁵ = 13881331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13881323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2313558 + ... + 2313563.

It is an arithmetic number, because the mean of its divisors is an integer number (4627122).

Almost surely, 2^13881363 is an apocalyptic number.

13881363 is a deficient number, since it is larger than the sum of its proper divisors (4627125).

13881363 is an equidigital number, since it uses as much as digits as its factorization.

13881363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627124.

The product of its digits is 10368, while the sum is 33.

The square root of 13881363 is about 3725.7701217332. The cubic root of 13881363 is about 240.3315037001.

The spelling of 13881363 in words is "thirteen million, eight hundred eighty-one thousand, three hundred sixty-three".