12805088 has 24 divisors (see below), whose sum is σ = 26538120. Its totient is φ = 6065280.

The previous prime is 12805087. The next prime is 12805127. The reversal of 12805088 is 88050821.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12805081) 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, 9923 + ... + 11138.

It is an arithmetic number, because the mean of its divisors is an integer number (1105755).

Almost surely, 2^12805088 is an apocalyptic number.

It is an amenable number.

12805088 is an abundant number, since it is smaller than the sum of its proper divisors (13733032).

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

12805088 is a wasteful number, since it uses less digits than its factorization.

12805088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21090 (or 21082 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 12805088 is about 3578.4197629680. The cubic root of 12805088 is about 233.9524095392.

The spelling of 12805088 in words is "twelve million, eight hundred five thousand, eighty-eight".