12227487 has 8 divisors (see below), whose sum is σ = 16342704. Its totient is φ = 8131968.

The previous prime is 12227483. The next prime is 12227489. The reversal of 12227487 is 78472221.

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

It is not a de Polignac number, because 12227487 - 2² = 12227483 is a prime.

It is a super-2 number, since 2×12227487² = 299022876670338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12227483) 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, 3408 + ... + 6005.

It is an arithmetic number, because the mean of its divisors is an integer number (2042838).

Almost surely, 2^12227487 is an apocalyptic number.

12227487 is a deficient number, since it is larger than the sum of its proper divisors (4115217).

12227487 is an equidigital number, since it uses as much as digits as its factorization.

12227487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9849.

The product of its digits is 12544, while the sum is 33.

The square root of 12227487 is about 3496.7823781299. The cubic root of 12227487 is about 230.3805106549.

The spelling of 12227487 in words is "twelve million, two hundred twenty-seven thousand, four hundred eighty-seven".