14216678 has 16 divisors (see below), whose sum is σ = 24610560. Its totient is φ = 6033096.

The previous prime is 14216647. The next prime is 14216681. The reversal of 14216678 is 87661241.

It is a super-2 number, since 2×14216678² = 404227866711368, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3488 + ... + 6371.

It is an arithmetic number, because the mean of its divisors is an integer number (1538160).

Almost surely, 2^14216678 is an apocalyptic number.

14216678 is a deficient number, since it is larger than the sum of its proper divisors (10393882).

14216678 is a wasteful number, since it uses less digits than its factorization.

14216678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9971.

The product of its digits is 16128, while the sum is 35.

The square root of 14216678 is about 3770.5010277150. The cubic root of 14216678 is about 242.2512587429.

The spelling of 14216678 in words is "fourteen million, two hundred sixteen thousand, six hundred seventy-eight".