12427732 has 12 divisors (see below), whose sum is σ = 21773556. Its totient is φ = 6206720.

The previous prime is 12427717. The next prime is 12427733. The reversal of 12427732 is 23772421.

It can be written as a sum of positive squares in 2 ways, for example, as 8042896 + 4384836 = 2836^2 + 2094^2 .

It is a zygodrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 12427732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12427733) 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 3 ways as a sum of consecutive naturals, for example, 4932 + ... + 7012.

It is an arithmetic number, because the mean of its divisors is an integer number (1814463).

Almost surely, 2^12427732 is an apocalyptic number.

It is an amenable number.

12427732 is a deficient number, since it is larger than the sum of its proper divisors (9345824).

12427732 is a wasteful number, since it uses less digits than its factorization.

12427732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578 (or 3576 counting only the distinct ones).

The product of its digits is 4704, while the sum is 28.

The square root of 12427732 is about 3525.2988525797. The cubic root of 12427732 is about 231.6313258606.

The spelling of 12427732 in words is "twelve million, four hundred twenty-seven thousand, seven hundred thirty-two".