12282544 has 40 divisors (see below), whose sum is σ = 24953760. Its totient is φ = 5849088.

The previous prime is 12282511. The next prime is 12282547. The reversal of 12282544 is 44528221.

It is a super-2 number, since 2×12282544² = 301721774223872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12282547) 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, 47664 + ... + 47920.

It is an arithmetic number, because the mean of its divisors is an integer number (623844).

Almost surely, 2^12282544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12282544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12476880).

12282544 is an abundant number, since it is smaller than the sum of its proper divisors (12671216).

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

12282544 is a wasteful number, since it uses less digits than its factorization.

12282544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 391 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 12282544 is about 3504.6460591620. The cubic root of 12282544 is about 230.7257729221.

The spelling of 12282544 in words is "twelve million, two hundred eighty-two thousand, five hundred forty-four".