12247066 has 8 divisors (see below), whose sum is σ = 19783764. Its totient is φ = 5652480.

The previous prime is 12247051. The next prime is 12247087. The reversal of 12247066 is 66074221.

It can be written as a sum of positive squares in 2 ways, for example, as 12215025 + 32041 = 3495^2 + 179^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235495 + ... + 235546.

Almost surely, 2^12247066 is an apocalyptic number.

12247066 is a deficient number, since it is larger than the sum of its proper divisors (7536698).

12247066 is a wasteful number, since it uses less digits than its factorization.

12247066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471056.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 12247066 is about 3499.5808320426. The cubic root of 12247066 is about 230.5034090244.

The spelling of 12247066 in words is "twelve million, two hundred forty-seven thousand, sixty-six".