12578768 has 10 divisors (see below), whose sum is σ = 24371394. Its totient is φ = 6289376.

The previous prime is 12578767. The next prime is 12578801. The reversal of 12578768 is 86787521.

It can be written as a sum of positive squares in only one way, i.e., 11641744 + 937024 = 3412^2 + 968^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12578767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393071 + ... + 393102.

Almost surely, 2^12578768 is an apocalyptic number.

It is an amenable number.

12578768 is a deficient number, since it is larger than the sum of its proper divisors (11792626).

12578768 is an equidigital number, since it uses as much as digits as its factorization.

12578768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786181 (or 786175 counting only the distinct ones).

The product of its digits is 188160, while the sum is 44.

The square root of 12578768 is about 3546.6558897079. The cubic root of 12578768 is about 232.5658995377.

The spelling of 12578768 in words is "twelve million, five hundred seventy-eight thousand, seven hundred sixty-eight".