12227898 has 16 divisors (see below), whose sum is σ = 24538176. Its totient is φ = 4062240.

The previous prime is 12227893. The next prime is 12227903. The reversal of 12227898 is 89872221.

It is an interprime number because it is at equal distance from previous prime (12227893) and next prime (12227903).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12227893) 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 7 ways as a sum of consecutive naturals, for example, 1411 + ... + 5142.

It is an arithmetic number, because the mean of its divisors is an integer number (1533636).

Almost surely, 2^12227898 is an apocalyptic number.

12227898 is an abundant number, since it is smaller than the sum of its proper divisors (12310278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12227898 is a wasteful number, since it uses less digits than its factorization.

12227898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6869.

The product of its digits is 32256, while the sum is 39.

The square root of 12227898 is about 3496.8411459487. The cubic root of 12227898 is about 230.3830918702.

The spelling of 12227898 in words is "twelve million, two hundred twenty-seven thousand, eight hundred ninety-eight".