12227887 has 8 divisors (see below), whose sum is σ = 14710400. Its totient is φ = 9929304.

The previous prime is 12227863. The next prime is 12227893. The reversal of 12227887 is 78872221.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-12227887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12227807) 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, 45837 + ... + 46102.

It is an arithmetic number, because the mean of its divisors is an integer number (1838800).

Almost surely, 2^12227887 is an apocalyptic number.

12227887 is a deficient number, since it is larger than the sum of its proper divisors (2482513).

12227887 is an equidigital number, since it uses as much as digits as its factorization.

12227887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91965.

The product of its digits is 25088, while the sum is 37.

The square root of 12227887 is about 3496.8395731003. The cubic root of 12227887 is about 230.3830227874.

The spelling of 12227887 in words is "twelve million, two hundred twenty-seven thousand, eight hundred eighty-seven".