12734224 has 20 divisors (see below), whose sum is σ = 26124444. Its totient is φ = 5992448.

The previous prime is 12734171. The next prime is 12734233. The reversal of 12734224 is 42243721.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9734400 + 2999824 = 3120^2 + 1732^2 .

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23137 + ... + 23680.

Almost surely, 2^12734224 is an apocalyptic number.

It is an amenable number.

12734224 is an abundant number, since it is smaller than the sum of its proper divisors (13390220).

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

12734224 is a wasteful number, since it uses less digits than its factorization.

12734224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46842 (or 46836 counting only the distinct ones).

The product of its digits is 2688, while the sum is 25.

The square root of 12734224 is about 3568.5044486451. The cubic root of 12734224 is about 233.5200428485.

Adding to 12734224 its reverse (42243721), we get a palindrome (54977945).

The spelling of 12734224 in words is "twelve million, seven hundred thirty-four thousand, two hundred twenty-four".