12946288 has 10 divisors (see below), whose sum is σ = 25083464. Its totient is φ = 6473136.

The previous prime is 12946273. The next prime is 12946289. The reversal of 12946288 is 88264921.

It is a self number, because there is not a number n which added to its sum of digits gives 12946288.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12946289) 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 as a sum of consecutive naturals, namely, 404556 + ... + 404587.

Almost surely, 2^12946288 is an apocalyptic number.

It is an amenable number.

12946288 is a deficient number, since it is larger than the sum of its proper divisors (12137176).

12946288 is an equidigital number, since it uses as much as digits as its factorization.

12946288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809151 (or 809145 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 12946288 is about 3598.0950515516. The cubic root of 12946288 is about 234.8091887046.

The spelling of 12946288 in words is "twelve million, nine hundred forty-six thousand, two hundred eighty-eight".