12231332 has 6 divisors (see below), whose sum is σ = 21404838. Its totient is φ = 6115664.

The previous prime is 12231311. The next prime is 12231367. The reversal of 12231332 is 23313221.

It can be written as a sum of positive squares in only one way, i.e., 7929856 + 4301476 = 2816^2 + 2074^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12231332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1528913 + ... + 1528920.

It is an arithmetic number, because the mean of its divisors is an integer number (3567473).

Almost surely, 2^12231332 is an apocalyptic number.

It is an amenable number.

12231332 is a deficient number, since it is larger than the sum of its proper divisors (9173506).

12231332 is a wasteful number, since it uses less digits than its factorization.

12231332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057837 (or 3057835 counting only the distinct ones).

The product of its digits is 216, while the sum is 17.

The square root of 12231332 is about 3497.3321260641. The cubic root of 12231332 is about 230.4046562604.

Adding to 12231332 its reverse (23313221), we get a palindrome (35544553).

The spelling of 12231332 in words is "twelve million, two hundred thirty-one thousand, three hundred thirty-two".