12031532 has 12 divisors (see below), whose sum is σ = 21569016. Its totient is φ = 5868960.

The previous prime is 12031517. The next prime is 12031543. The reversal of 12031532 is 23513021.

It is a self number, because there is not a number n which added to its sum of digits gives 12031532.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36518 + ... + 36845.

It is an arithmetic number, because the mean of its divisors is an integer number (1797418).

Almost surely, 2^12031532 is an apocalyptic number.

It is an amenable number.

12031532 is a deficient number, since it is larger than the sum of its proper divisors (9537484).

12031532 is a wasteful number, since it uses less digits than its factorization.

12031532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73408 (or 73406 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 12031532 is about 3468.6498814380. The cubic root of 12031532 is about 229.1432016231.

Adding to 12031532 its reverse (23513021), we get a palindrome (35544553).

The spelling of 12031532 in words is "twelve million, thirty-one thousand, five hundred thirty-two".