12809332 has 6 divisors (see below), whose sum is σ = 22416338. Its totient is φ = 6404664.

The previous prime is 12809327. The next prime is 12809351. The reversal of 12809332 is 23390821.

12809332 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 only one way, i.e., 8785296 + 4024036 = 2964^2 + 2006^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12809332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1601163 + ... + 1601170.

Almost surely, 2^12809332 is an apocalyptic number.

It is an amenable number.

12809332 is a deficient number, since it is larger than the sum of its proper divisors (9607006).

12809332 is a wasteful number, since it uses less digits than its factorization.

12809332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202337 (or 3202335 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 12809332 is about 3579.0127130258. The cubic root of 12809332 is about 233.9782530256.

The spelling of 12809332 in words is "twelve million, eight hundred nine thousand, three hundred thirty-two".