12220963 has 4 divisors (see below), whose sum is σ = 12265360. Its totient is φ = 12176568.

The previous prime is 12220951. The next prime is 12220969. The reversal of 12220963 is 36902221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12220963 - 2⁹ = 12220451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21783 + ... + 22336.

It is an arithmetic number, because the mean of its divisors is an integer number (3066340).

Almost surely, 2^12220963 is an apocalyptic number.

12220963 is a deficient number, since it is larger than the sum of its proper divisors (44397).

12220963 is an equidigital number, since it uses as much as digits as its factorization.

12220963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44396.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 12220963 is about 3495.8493960696. The cubic root of 12220963 is about 230.3395300391.

The spelling of 12220963 in words is "twelve million, two hundred twenty thousand, nine hundred sixty-three".