12224487 has 8 divisors (see below), whose sum is σ = 17781120. Its totient is φ = 7408760.

The previous prime is 12224483. The next prime is 12224497. The reversal of 12224487 is 78442221.

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

It is a cyclic number.

It is not a de Polignac number, because 12224487 - 2² = 12224483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224483) 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, 185187 + ... + 185252.

It is an arithmetic number, because the mean of its divisors is an integer number (2222640).

Almost surely, 2^12224487 is an apocalyptic number.

12224487 is a deficient number, since it is larger than the sum of its proper divisors (5556633).

12224487 is a wasteful number, since it uses less digits than its factorization.

12224487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370453.

The product of its digits is 7168, while the sum is 30.

The square root of 12224487 is about 3496.3533860295. The cubic root of 12224487 is about 230.3616679153.

The spelling of 12224487 in words is "twelve million, two hundred twenty-four thousand, four hundred eighty-seven".