13878048 has 24 divisors (see below), whose sum is σ = 36430128. Its totient is φ = 4625984.

The previous prime is 13878047. The next prime is 13878089. The reversal of 13878048 is 84087831.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 13877997 and 13878015.

It is not an unprimeable number, because it can be changed into a prime (13878043) 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, 72186 + ... + 72377.

It is an arithmetic number, because the mean of its divisors is an integer number (1517922).

Almost surely, 2^13878048 is an apocalyptic number.

It is an amenable number.

13878048 is an abundant number, since it is smaller than the sum of its proper divisors (22552080).

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

13878048 is a wasteful number, since it uses less digits than its factorization.

13878048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144576 (or 144568 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 13878048 is about 3725.3252207022. The cubic root of 13878048 is about 240.3123710361.

The spelling of 13878048 in words is "thirteen million, eight hundred seventy-eight thousand, forty-eight".