12787648 has 14 divisors (see below), whose sum is σ = 25375616. Its totient is φ = 6393792.

The previous prime is 12787639. The next prime is 12787667. The reversal of 12787648 is 84678721.

It is a zygodrome in base 2.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 99840 + ... + 99967.

It is an arithmetic number, because the mean of its divisors is an integer number (1812544).

Almost surely, 2^12787648 is an apocalyptic number.

It is an amenable number.

12787648 is a deficient number, since it is larger than the sum of its proper divisors (12587968).

12787648 is an equidigital number, since it uses as much as digits as its factorization.

12787648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199819 (or 199809 counting only the distinct ones).

The product of its digits is 150528, while the sum is 43.

The square root of 12787648 is about 3575.9821028635. The cubic root of 12787648 is about 233.8461501172.

The spelling of 12787648 in words is "twelve million, seven hundred eighty-seven thousand, six hundred forty-eight".