12445812 has 60 divisors (see below), whose sum is σ = 32931360. Its totient is φ = 4098384.

The previous prime is 12445781. The next prime is 12445841. The reversal of 12445812 is 21854421.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34489 + ... + 34847.

It is an arithmetic number, because the mean of its divisors is an integer number (548856).

Almost surely, 2^12445812 is an apocalyptic number.

12445812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12445812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16465680).

12445812 is an abundant number, since it is smaller than the sum of its proper divisors (20485548).

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

12445812 is a wasteful number, since it uses less digits than its factorization.

12445812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 471 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 12445812 is about 3527.8622422084. The cubic root of 12445812 is about 231.7435980259.

It can be divided in two parts, 1244 and 5812, that added together give a square (7056 = 84²).

The spelling of 12445812 in words is "twelve million, four hundred forty-five thousand, eight hundred twelve".