12734530 has 32 divisors (see below), whose sum is σ = 24467184. Its totient is φ = 4755456.

The previous prime is 12734471. The next prime is 12734537. The reversal of 12734530 is 3543721.

It can be written as a sum of positive squares in 8 ways, for example, as 7568001 + 5166529 = 2751^2 + 2273^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12734495 and 12734504.

It is not an unprimeable number, because it can be changed into a prime (12734537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29194 + ... + 29626.

Almost surely, 2^12734530 is an apocalyptic number.

12734530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12734530 is a deficient number, since it is larger than the sum of its proper divisors (11732654).

12734530 is a wasteful number, since it uses less digits than its factorization.

12734530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 12734530 is about 3568.5473234917. The cubic root of 12734530 is about 233.5219133083.

The spelling of 12734530 in words is "twelve million, seven hundred thirty-four thousand, five hundred thirty".