12220750 has 16 divisors (see below), whose sum is σ = 22877712. Its totient is φ = 4888200.

The previous prime is 12220721. The next prime is 12220757. The reversal of 12220750 is 5702221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220757) 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, 24192 + ... + 24691.

It is an arithmetic number, because the mean of its divisors is an integer number (1429857).

Almost surely, 2^12220750 is an apocalyptic number.

12220750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220750 is a deficient number, since it is larger than the sum of its proper divisors (10656962).

12220750 is an equidigital number, since it uses as much as digits as its factorization.

12220750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48900 (or 48890 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 12220750 is about 3495.8189312377. The cubic root of 12220750 is about 230.3381918302.

Adding to 12220750 its reverse (5702221), we get a palindrome (17922971).

The spelling of 12220750 in words is "twelve million, two hundred twenty thousand, seven hundred fifty".