12228611 has 8 divisors (see below), whose sum is σ = 12608400. Its totient is φ = 11851488.

The previous prime is 12228599. The next prime is 12228613. The reversal of 12228611 is 11682221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12228611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12228613) 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, 12440 + ... + 13386.

It is an arithmetic number, because the mean of its divisors is an integer number (1576050).

Almost surely, 2^12228611 is an apocalyptic number.

12228611 is a deficient number, since it is larger than the sum of its proper divisors (379789).

12228611 is an equidigital number, since it uses as much as digits as its factorization.

12228611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333.

The product of its digits is 384, while the sum is 23.

The square root of 12228611 is about 3496.9430936176. The cubic root of 12228611 is about 230.3875696077.

The spelling of 12228611 in words is "twelve million, two hundred twenty-eight thousand, six hundred eleven".