12827530 has 24 divisors (see below), whose sum is σ = 23755788. Its totient is φ = 4987008.

The previous prime is 12827513. The next prime is 12827531. The reversal of 12827530 is 3572821.

It can be written as a sum of positive squares in 6 ways, for example, as 7778521 + 5049009 = 2789^2 + 2247^2 .

It is not an unprimeable number, because it can be changed into a prime (12827531) 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 11 ways as a sum of consecutive naturals, for example, 13222 + ... + 14158.

Almost surely, 2^12827530 is an apocalyptic number.

12827530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12827530 is a deficient number, since it is larger than the sum of its proper divisors (10928258).

12827530 is an equidigital number, since it uses as much as digits as its factorization.

12827530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 12827530 is about 3581.5541319377. The cubic root of 12827530 is about 234.0890035692.

The spelling of 12827530 in words is "twelve million, eight hundred twenty-seven thousand, five hundred thirty".