12801648 has 20 divisors (see below), whose sum is σ = 33071048. Its totient is φ = 4267200.

The previous prime is 12801647. The next prime is 12801661. The reversal of 12801648 is 84610821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12801647) 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, 133303 + ... + 133398.

Almost surely, 2^12801648 is an apocalyptic number.

It is an amenable number.

12801648 is an abundant number, since it is smaller than the sum of its proper divisors (20269400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12801648 is a wasteful number, since it uses less digits than its factorization.

12801648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266712 (or 266706 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 12801648 is about 3577.9390715886. The cubic root of 12801648 is about 233.9314577538.

The spelling of 12801648 in words is "twelve million, eight hundred one thousand, six hundred forty-eight".