12225783 has 8 divisors (see below), whose sum is σ = 16469488. Its totient is φ = 8066304.

The previous prime is 12225779. The next prime is 12225823. The reversal of 12225783 is 38752221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12225783 - 2² = 12225779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12225783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224783) 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, 20716 + ... + 21297.

It is an arithmetic number, because the mean of its divisors is an integer number (2058686).

Almost surely, 2^12225783 is an apocalyptic number.

12225783 is a deficient number, since it is larger than the sum of its proper divisors (4243705).

12225783 is an equidigital number, since it uses as much as digits as its factorization.

12225783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42113.

The product of its digits is 6720, while the sum is 30.

The square root of 12225783 is about 3496.5387170744. The cubic root of 12225783 is about 230.3698083570.

The spelling of 12225783 in words is "twelve million, two hundred twenty-five thousand, seven hundred eighty-three".