14321978 has 32 divisors (see below), whose sum is σ = 24354432. Its totient is φ = 6260800.

The previous prime is 14321971. The next prime is 14322001. The reversal of 14321978 is 87912341.

14321978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (14321971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82700 + ... + 82872.

It is an arithmetic number, because the mean of its divisors is an integer number (761076).

Almost surely, 2^14321978 is an apocalyptic number.

14321978 is a deficient number, since it is larger than the sum of its proper divisors (10032454).

14321978 is a wasteful number, since it uses less digits than its factorization.

14321978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310.

The product of its digits is 12096, while the sum is 35.

The square root of 14321978 is about 3784.4389280315. The cubic root of 14321978 is about 242.8478898106.

The spelling of 14321978 in words is "fourteen million, three hundred twenty-one thousand, nine hundred seventy-eight".