12258812 has 6 divisors (see below), whose sum is σ = 21452928. Its totient is φ = 6129404.

The previous prime is 12258811. The next prime is 12258821. The reversal of 12258812 is 21885221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12258811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1532348 + ... + 1532355.

It is an arithmetic number, because the mean of its divisors is an integer number (3575488).

Almost surely, 2^12258812 is an apocalyptic number.

It is an amenable number.

12258812 is a deficient number, since it is larger than the sum of its proper divisors (9194116).

12258812 is a wasteful number, since it uses less digits than its factorization.

12258812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064707 (or 3064705 counting only the distinct ones).

The product of its digits is 2560, while the sum is 29.

The square root of 12258812 is about 3501.2586308355. The cubic root of 12258812 is about 230.5770764081.

The spelling of 12258812 in words is "twelve million, two hundred fifty-eight thousand, eight hundred twelve".