13878016 has 36 divisors (see below), whose sum is σ = 28918512. Its totient is φ = 6634496.

The previous prime is 13877971. The next prime is 13878017. The reversal of 13878016 is 61087831.

It is not an unprimeable number, because it can be changed into a prime (13878017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4710 + ... + 7066.

It is an arithmetic number, because the mean of its divisors is an integer number (803292).

Almost surely, 2^13878016 is an apocalyptic number.

13878016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13878016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14459256).

13878016 is an abundant number, since it is smaller than the sum of its proper divisors (15040496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13878016 is an equidigital number, since it uses as much as digits as its factorization.

13878016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396 (or 2382 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 13878016 is about 3725.3209257727. The cubic root of 13878016 is about 240.3121863319.

The spelling of 13878016 in words is "thirteen million, eight hundred seventy-eight thousand, sixteen".