14021718 has 16 divisors (see below), whose sum is σ = 28292976. Its totient is φ = 4632320.

The previous prime is 14021717. The next prime is 14021731. The reversal of 14021718 is 81712041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14021717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9663 + ... + 11018.

It is an arithmetic number, because the mean of its divisors is an integer number (1768311).

Almost surely, 2^14021718 is an apocalyptic number.

14021718 is an abundant number, since it is smaller than the sum of its proper divisors (14271258).

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

14021718 is a wasteful number, since it uses less digits than its factorization.

14021718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20799.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 14021718 is about 3744.5584519406. The cubic root of 14021718 is about 241.1387893376.

Adding to 14021718 its reverse (81712041), we get a palindrome (95733759).

The spelling of 14021718 in words is "fourteen million, twenty-one thousand, seven hundred eighteen".