12874224 has 80 divisors (see below), whose sum is σ = 37319040. Its totient is φ = 3790080.

The previous prime is 12874223. The next prime is 12874237. The reversal of 12874224 is 42247821.

It is a junction number, because it is equal to n+sod(n) for n = 12874191 and 12874200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12874223) 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 15 ways as a sum of consecutive naturals, for example, 19207 + ... + 19865.

It is an arithmetic number, because the mean of its divisors is an integer number (466488).

Almost surely, 2^12874224 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 12874224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18659520).

12874224 is an abundant number, since it is smaller than the sum of its proper divisors (24444816).

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

12874224 is a wasteful number, since it uses less digits than its factorization.

12874224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 712 counting only the distinct ones).

The product of its digits is 7168, while the sum is 30.

The square root of 12874224 is about 3588.0668890086. The cubic root of 12874224 is about 234.3726985018.

The spelling of 12874224 in words is "twelve million, eight hundred seventy-four thousand, two hundred twenty-four".