12259812 has 12 divisors (see below), whose sum is σ = 28606256. Its totient is φ = 4086600.

The previous prime is 12259763. The next prime is 12259813. The reversal of 12259812 is 21895221.

12259812 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12259812.

It is not an unprimeable number, because it can be changed into a prime (12259813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510814 + ... + 510837.

Almost surely, 2^12259812 is an apocalyptic number.

12259812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12259812 is an abundant number, since it is smaller than the sum of its proper divisors (16346444).

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

12259812 is a wasteful number, since it uses less digits than its factorization.

12259812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021658 (or 1021656 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 12259812 is about 3501.4014337119. The cubic root of 12259812 is about 230.5833459337.

The spelling of 12259812 in words is "twelve million, two hundred fifty-nine thousand, eight hundred twelve".