14181378 has 8 divisors (see below), whose sum is σ = 28362768. Its totient is φ = 4727124.

The previous prime is 14181361. The next prime is 14181379. The reversal of 14181378 is 87318141.

It is a sphenic number, since it is the product of 3 distinct primes.

14181378 is an admirable number.

It is a super-2 number, since 2×14181378² = 402222963957768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (14181379) 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, 1181776 + ... + 1181787.

It is an arithmetic number, because the mean of its divisors is an integer number (3545346).

Almost surely, 2^14181378 is an apocalyptic number.

14181378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

14181378 is a wasteful number, since it uses less digits than its factorization.

14181378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363568.

The product of its digits is 5376, while the sum is 33.

The square root of 14181378 is about 3765.8170428209. The cubic root of 14181378 is about 242.0505893372.

The spelling of 14181378 in words is "fourteen million, one hundred eighty-one thousand, three hundred seventy-eight".