12208732 has 12 divisors (see below), whose sum is σ = 21862456. Its totient is φ = 5962320.

The previous prime is 12208667. The next prime is 12208733. The reversal of 12208732 is 23780221.

12208732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12208697 and 12208706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12208733) 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, 35319 + ... + 35662.

Almost surely, 2^12208732 is an apocalyptic number.

It is an amenable number.

12208732 is a deficient number, since it is larger than the sum of its proper divisors (9653724).

12208732 is a wasteful number, since it uses less digits than its factorization.

12208732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71028 (or 71026 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 12208732 is about 3494.0995978936. The cubic root of 12208732 is about 230.2626614874.

Adding to 12208732 its reverse (23780221), we get a palindrome (35988953).

The spelling of 12208732 in words is "twelve million, two hundred eight thousand, seven hundred thirty-two".