13878363 has 4 divisors (see below), whose sum is σ = 18504488. Its totient is φ = 9252240.

The previous prime is 13878349. The next prime is 13878373. The reversal of 13878363 is 36387831.

13878363 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13878363 - 2¹⁸ = 13616219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13878373) 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 3 ways as a sum of consecutive naturals, for example, 2313058 + ... + 2313063.

It is an arithmetic number, because the mean of its divisors is an integer number (4626122).

Almost surely, 2^13878363 is an apocalyptic number.

13878363 is a deficient number, since it is larger than the sum of its proper divisors (4626125).

13878363 is an equidigital number, since it uses as much as digits as its factorization.

13878363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626124.

The product of its digits is 72576, while the sum is 39.

The square root of 13878363 is about 3725.3674986503. The cubic root of 13878363 is about 240.3141892031.

It can be divided in two parts, 13878 and 363, that added together give a palindrome (14241).

The spelling of 13878363 in words is "thirteen million, eight hundred seventy-eight thousand, three hundred sixty-three".