12727232 has 28 divisors (see below), whose sum is σ = 28864560. Its totient is φ = 5454336.

The previous prime is 12727229. The next prime is 12727243. The reversal of 12727232 is 23272721.

It is a tau number, because it is divible by the number of its divisors (28).

It is an alternating number because its digits alternate between odd and even.

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, 13757 + ... + 14652.

Almost surely, 2^12727232 is an apocalyptic number.

It is an amenable number.

12727232 is an abundant number, since it is smaller than the sum of its proper divisors (16137328).

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

12727232 is an equidigital number, since it uses as much as digits as its factorization.

12727232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28428 (or 28418 counting only the distinct ones).

The product of its digits is 2352, while the sum is 26.

The square root of 12727232 is about 3567.5246320103. The cubic root of 12727232 is about 233.4772952871.

Adding to 12727232 its reverse (23272721), we get a palindrome (35999953).

It can be divided in two parts, 127272 and 32, that multiplied together give a palindrome (4072704).

The spelling of 12727232 in words is "twelve million, seven hundred twenty-seven thousand, two hundred thirty-two".