12665032 has 16 divisors (see below), whose sum is σ = 23849100. Its totient is φ = 6305280.

The previous prime is 12664997. The next prime is 12665041. The reversal of 12665032 is 23056621.

It can be written as a sum of positive squares in 2 ways, for example, as 11062276 + 1602756 = 3326^2 + 1266^2 .

It is a super-2 number, since 2×12665032² = 320806071122048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12664988 and 12665006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1357 + ... + 5212.

Almost surely, 2^12665032 is an apocalyptic number.

It is an amenable number.

12665032 is a deficient number, since it is larger than the sum of its proper divisors (11184068).

12665032 is a wasteful number, since it uses less digits than its factorization.

12665032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816 (or 6812 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 12665032 is about 3558.7964257597. The cubic root of 12665032 is about 233.0963271451.

The spelling of 12665032 in words is "twelve million, six hundred sixty-five thousand, thirty-two".