12240946 has 8 divisors (see below), whose sum is σ = 18485100. Its totient is φ = 6079248.

The previous prime is 12240937. The next prime is 12240947. The reversal of 12240946 is 64904221.

It can be written as a sum of positive squares in 2 ways, for example, as 12215025 + 25921 = 3495^2 + 161^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12240947) by changing a digit.

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, 20241 + ... + 20836.

Almost surely, 2^12240946 is an apocalyptic number.

12240946 is a deficient number, since it is larger than the sum of its proper divisors (6244154).

12240946 is a wasteful number, since it uses less digits than its factorization.

12240946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41228.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 12240946 is about 3498.7063323463. The cubic root of 12240946 is about 230.4650075573.

The spelling of 12240946 in words is "twelve million, two hundred forty thousand, nine hundred forty-six".