12226845 has 8 divisors (see below), whose sum is σ = 19562976. Its totient is φ = 6520976.

The previous prime is 12226831. The next prime is 12226849. The reversal of 12226845 is 54862221.

12226845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12226845 - 2⁴ = 12226829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12226849) 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, 407547 + ... + 407576.

It is an arithmetic number, because the mean of its divisors is an integer number (2445372).

Almost surely, 2^12226845 is an apocalyptic number.

12226845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12226845 is a deficient number, since it is larger than the sum of its proper divisors (7336131).

12226845 is an equidigital number, since it uses as much as digits as its factorization.

12226845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815131.

The product of its digits is 7680, while the sum is 30.

The square root of 12226845 is about 3496.6905782468. The cubic root of 12226845 is about 230.3764785679.

The spelling of 12226845 in words is "twelve million, two hundred twenty-six thousand, eight hundred forty-five".