12227589 has 24 divisors (see below), whose sum is σ = 19936800. Its totient is φ = 7153440.

The previous prime is 12227569. The next prime is 12227591. The reversal of 12227589 is 98572221.

It is not a de Polignac number, because 12227589 - 2⁵ = 12227557 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12227569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 742 + ... + 5000.

It is an arithmetic number, because the mean of its divisors is an integer number (830700).

Almost surely, 2^12227589 is an apocalyptic number.

It is an amenable number.

12227589 is a deficient number, since it is larger than the sum of its proper divisors (7709211).

12227589 is a wasteful number, since it uses less digits than its factorization.

12227589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305 (or 4302 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 12227589 is about 3496.7969629362. The cubic root of 12227589 is about 230.3811512539.

The spelling of 12227589 in words is "twelve million, two hundred twenty-seven thousand, five hundred eighty-nine".