14021812 has 24 divisors (see below), whose sum is σ = 29264256. Its totient is φ = 5747808.

The previous prime is 14021807. The next prime is 14021849. The reversal of 14021812 is 21812041.

It is a happy number.

It is a super-2 number, since 2×14021812² = 393222423526688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14021812.

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, 10243 + ... + 11530.

It is an arithmetic number, because the mean of its divisors is an integer number (1219344).

Almost surely, 2^14021812 is an apocalyptic number.

It is an amenable number.

14021812 is an abundant number, since it is smaller than the sum of its proper divisors (15242444).

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

14021812 is a wasteful number, since it uses less digits than its factorization.

14021812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21807 (or 21805 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 14021812 is about 3744.5710034662. The cubic root of 14021812 is about 241.1393281921.

Adding to 14021812 its reverse (21812041), we get a palindrome (35833853).

It can be divided in two parts, 140 and 21812, that added together give a cube (21952 = 28³).

The spelling of 14021812 in words is "fourteen million, twenty-one thousand, eight hundred twelve".