12810012 has 24 divisors (see below), whose sum is σ = 30030336. Its totient is φ = 4249968.

The previous prime is 12809987. The next prime is 12810013. The reversal of 12810012 is 21001821.

It is a junction number, because it is equal to n+sod(n) for n = 12809973 and 12810000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12810013) by changing a digit.

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, 283 + ... + 5069.

It is an arithmetic number, because the mean of its divisors is an integer number (1251264).

Almost surely, 2^12810012 is an apocalyptic number.

12810012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12810012 is an abundant number, since it is smaller than the sum of its proper divisors (17220324).

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

12810012 is a wasteful number, since it uses less digits than its factorization.

12810012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017 (or 5015 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 12810012 is about 3579.1077100305. The cubic root of 12810012 is about 233.9823932987.

Adding to 12810012 its reverse (21001821), we get a palindrome (33811833).

The spelling of 12810012 in words is "twelve million, eight hundred ten thousand, twelve".