12810388 has 24 divisors (see below), whose sum is σ = 23284800. Its totient is φ = 6162240.

The previous prime is 12810383. The next prime is 12810397. The reversal of 12810388 is 88301821.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12810383) 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, 11688 + ... + 12736.

It is an arithmetic number, because the mean of its divisors is an integer number (970200).

Almost surely, 2^12810388 is an apocalyptic number.

It is an amenable number.

12810388 is a deficient number, since it is larger than the sum of its proper divisors (10474412).

12810388 is a wasteful number, since it uses less digits than its factorization.

12810388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 12810388 is about 3579.1602367036. The cubic root of 12810388 is about 233.9846825632.

The spelling of 12810388 in words is "twelve million, eight hundred ten thousand, three hundred eighty-eight".