14211982 has 4 divisors (see below), whose sum is σ = 21317976. Its totient is φ = 7105990.

The previous prime is 14211971. The next prime is 14211991. The reversal of 14211982 is 28911241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28911241 = 173 ⋅167117.

It is a self number, because there is not a number n which added to its sum of digits gives 14211982.

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, 3552994 + ... + 3552997.

It is an arithmetic number, because the mean of its divisors is an integer number (5329494).

Almost surely, 2^14211982 is an apocalyptic number.

14211982 is a deficient number, since it is larger than the sum of its proper divisors (7105994).

14211982 is an equidigital number, since it uses as much as digits as its factorization.

14211982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7105993.

The product of its digits is 1152, while the sum is 28.

The square root of 14211982 is about 3769.8782473709. The cubic root of 14211982 is about 242.2245826284.

It can be divided in two parts, 1421 and 1982, that added together give a triangular number (3403 = T₈₂).

The spelling of 14211982 in words is "fourteen million, two hundred eleven thousand, nine hundred eighty-two".