13854478 has 16 divisors (see below), whose sum is σ = 22875696. Its totient is φ = 6240640.

The previous prime is 13854457. The next prime is 13854497. The reversal of 13854478 is 87445831.

It is a self number, because there is not a number n which added to its sum of digits gives 13854478.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 301 + ... + 5272.

It is an arithmetic number, because the mean of its divisors is an integer number (1429731).

Almost surely, 2^13854478 is an apocalyptic number.

13854478 is a deficient number, since it is larger than the sum of its proper divisors (9021218).

13854478 is a wasteful number, since it uses less digits than its factorization.

13854478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5699.

The product of its digits is 107520, while the sum is 40.

The square root of 13854478 is about 3722.1603941797. The cubic root of 13854478 is about 240.1762478527.

The spelling of 13854478 in words is "thirteen million, eight hundred fifty-four thousand, four hundred seventy-eight".