12023632 has 20 divisors (see below), whose sum is σ = 24100020. Its totient is φ = 5804288.

The previous prime is 12023623. The next prime is 12023651. The reversal of 12023632 is 23632021.

It can be written as a sum of positive squares in 2 ways, for example, as 6843456 + 5180176 = 2616^2 + 2276^2 .

It is a nialpdrome in base 16.

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, 12493 + ... + 13420.

It is an arithmetic number, because the mean of its divisors is an integer number (1205001).

Almost surely, 2^12023632 is an apocalyptic number.

It is an amenable number.

12023632 is an abundant number, since it is smaller than the sum of its proper divisors (12076388).

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

12023632 is a wasteful number, since it uses less digits than its factorization.

12023632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25950 (or 25944 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 12023632 is about 3467.5109228379. The cubic root of 12023632 is about 229.0930382236.

Adding to 12023632 its reverse (23632021), we get a palindrome (35655653).

The spelling of 12023632 in words is "twelve million, twenty-three thousand, six hundred thirty-two".