14242678 has 4 divisors (see below), whose sum is σ = 21364020. Its totient is φ = 7121338.

The previous prime is 14242667. The next prime is 14242721. The reversal of 14242678 is 87624241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×14242678² = 405707753223368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3560668 + ... + 3560671.

It is an arithmetic number, because the mean of its divisors is an integer number (5341005).

Almost surely, 2^14242678 is an apocalyptic number.

14242678 is a deficient number, since it is larger than the sum of its proper divisors (7121342).

14242678 is an equidigital number, since it uses as much as digits as its factorization.

14242678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7121341.

The product of its digits is 21504, while the sum is 34.

The square root of 14242678 is about 3773.9472704318. The cubic root of 14242678 is about 242.3988482374.

The spelling of 14242678 in words is "fourteen million, two hundred forty-two thousand, six hundred seventy-eight".