12209332 has 12 divisors (see below), whose sum is σ = 22623300. Its totient is φ = 5745536.

The previous prime is 12209321. The next prime is 12209341. The reversal of 12209332 is 23390221.

12209332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9400356 + 2808976 = 3066^2 + 1676^2 .

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, 89707 + ... + 89842.

It is an arithmetic number, because the mean of its divisors is an integer number (1885275).

Almost surely, 2^12209332 is an apocalyptic number.

It is an amenable number.

12209332 is a deficient number, since it is larger than the sum of its proper divisors (10413968).

12209332 is a wasteful number, since it uses less digits than its factorization.

12209332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179570 (or 179568 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 12209332 is about 3494.1854558681. The cubic root of 12209332 is about 230.2664335235.

Adding to 12209332 its reverse (23390221), we get a palindrome (35599553).

The spelling of 12209332 in words is "twelve million, two hundred nine thousand, three hundred thirty-two".