12732328 has 16 divisors (see below), whose sum is σ = 27283680. Its totient is φ = 5456688.

The previous prime is 12732323. The next prime is 12732341. The reversal of 12732328 is 82323721.

It is a super-2 number, since 2×12732328² = 324224352599168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 12732296 and 12732305.

It is not an unprimeable number, because it can be changed into a prime (12732323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113626 + ... + 113737.

It is an arithmetic number, because the mean of its divisors is an integer number (1705230).

Almost surely, 2^12732328 is an apocalyptic number.

It is an amenable number.

12732328 is an abundant number, since it is smaller than the sum of its proper divisors (14551352).

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

12732328 is a wasteful number, since it uses less digits than its factorization.

12732328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227376 (or 227372 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 12732328 is about 3568.2387812477. The cubic root of 12732328 is about 233.5084526650.

The spelling of 12732328 in words is "twelve million, seven hundred thirty-two thousand, three hundred twenty-eight".