12275824 has 40 divisors (see below), whose sum is σ = 27319680. Its totient is φ = 5284800.

The previous prime is 12275779. The next prime is 12275827. The reversal of 12275824 is 42857221.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12275827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1509 + ... + 5179.

It is an arithmetic number, because the mean of its divisors is an integer number (682992).

Almost surely, 2^12275824 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 12275824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13659840).

12275824 is an abundant number, since it is smaller than the sum of its proper divisors (15043856).

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

12275824 is a wasteful number, since it uses less digits than its factorization.

12275824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709 (or 3703 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 12275824 is about 3503.6872006502. The cubic root of 12275824 is about 230.6836871770.

The spelling of 12275824 in words is "twelve million, two hundred seventy-five thousand, eight hundred twenty-four".