12810888 has 24 divisors (see below), whose sum is σ = 34696350. Its totient is φ = 4270272.

The previous prime is 12810881. The next prime is 12810899. The reversal of 12810888 is 88801821.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10614564 + 2196324 = 3258^2 + 1482^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12810881) 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 5 ways as a sum of consecutive naturals, for example, 88893 + ... + 89036.

Almost surely, 2^12810888 is an apocalyptic number.

12810888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12810888 is an abundant number, since it is smaller than the sum of its proper divisors (21885462).

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

12810888 is a wasteful number, since it uses less digits than its factorization.

12810888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177941 (or 177934 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 36.

The square root of 12810888 is about 3579.2300848087. The cubic root of 12810888 is about 233.9877267286.

The spelling of 12810888 in words is "twelve million, eight hundred ten thousand, eight hundred eighty-eight".