12801500 has 24 divisors (see below), whose sum is σ = 27959568. Its totient is φ = 5120400.

The previous prime is 12801479. The next prime is 12801533. The reversal of 12801500 is 510821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12302 + ... + 13301.

It is an arithmetic number, because the mean of its divisors is an integer number (1164982).

Almost surely, 2^12801500 is an apocalyptic number.

12801500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12801500 is an abundant number, since it is smaller than the sum of its proper divisors (15158068).

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

12801500 is a wasteful number, since it uses less digits than its factorization.

12801500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25622 (or 25610 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 12801500 is about 3577.9183892314. The cubic root of 12801500 is about 233.9305562555.

The spelling of 12801500 in words is "twelve million, eight hundred one thousand, five hundred".