14221012 has 36 divisors (see below), whose sum is σ = 27336540. Its totient is φ = 6469632.

The previous prime is 14220977. The next prime is 14221021. The reversal of 14221012 is 21012241.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2414916 + 11806096 = 1554^2 + 3436^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 14220983 and 14221001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73588 + ... + 73780.

Almost surely, 2^14221012 is an apocalyptic number.

It is an amenable number.

14221012 is a deficient number, since it is larger than the sum of its proper divisors (13115528).

14221012 is a wasteful number, since it uses less digits than its factorization.

14221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 14221012 is about 3771.0757086009. The cubic root of 14221012 is about 242.2758732669.

Adding to 14221012 its reverse (21012241), we get a palindrome (35233253).

The spelling of 14221012 in words is "fourteen million, two hundred twenty-one thousand, twelve".