12282516 has 60 divisors (see below), whose sum is σ = 32443488. Its totient is φ = 4051728.

The previous prime is 12282511. The next prime is 12282547. The reversal of 12282516 is 61528221.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12282516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12282511) 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 19 ways as a sum of consecutive naturals, for example, 53995 + ... + 54221.

Almost surely, 2^12282516 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 12282516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16221744).

12282516 is an abundant number, since it is smaller than the sum of its proper divisors (20160972).

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

12282516 is a wasteful number, since it uses less digits than its factorization.

12282516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 399 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 12282516 is about 3504.6420644625. The cubic root of 12282516 is about 230.7255975966.

The spelling of 12282516 in words is "twelve million, two hundred eighty-two thousand, five hundred sixteen".