14021678 has 8 divisors (see below), whose sum is σ = 22944600. Its totient is φ = 6373480.

The previous prime is 14021671. The next prime is 14021681. The reversal of 14021678 is 87612041.

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

It is a self number, because there is not a number n which added to its sum of digits gives 14021678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14021671) 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, 318653 + ... + 318696.

It is an arithmetic number, because the mean of its divisors is an integer number (2868075).

Almost surely, 2^14021678 is an apocalyptic number.

14021678 is a deficient number, since it is larger than the sum of its proper divisors (8922922).

14021678 is a wasteful number, since it uses less digits than its factorization.

14021678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637362.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 14021678 is about 3744.5531108531. The cubic root of 14021678 is about 241.1385600371.

The spelling of 14021678 in words is "fourteen million, twenty-one thousand, six hundred seventy-eight".