12801864 has 32 divisors (see below), whose sum is σ = 32447520. Its totient is φ = 4208256.

The previous prime is 12801863. The next prime is 12801911. The reversal of 12801864 is 46810821.

It is not an unprimeable number, because it can be changed into a prime (12801863) 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 7 ways as a sum of consecutive naturals, for example, 1902 + ... + 5405.

It is an arithmetic number, because the mean of its divisors is an integer number (1013985).

Almost surely, 2^12801864 is an apocalyptic number.

It is an amenable number.

12801864 is an abundant number, since it is smaller than the sum of its proper divisors (19645656).

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

12801864 is a wasteful number, since it uses less digits than its factorization.

12801864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7389 (or 7385 counting only the distinct ones).

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

The square root of 12801864 is about 3577.9692564358. The cubic root of 12801864 is about 233.9327734414.

The spelling of 12801864 in words is "twelve million, eight hundred one thousand, eight hundred sixty-four".