12807632 has 10 divisors (see below), whose sum is σ = 24814818. Its totient is φ = 6403808.

The previous prime is 12807623. The next prime is 12807643. The reversal of 12807632 is 23670821.

It is a happy number.

12807632 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., 6677056 + 6130576 = 2584^2 + 2476^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12807595 and 12807604.

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, 400223 + ... + 400254.

Almost surely, 2^12807632 is an apocalyptic number.

It is an amenable number.

12807632 is a deficient number, since it is larger than the sum of its proper divisors (12007186).

12807632 is an equidigital number, since it uses as much as digits as its factorization.

12807632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800485 (or 800479 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 12807632 is about 3578.7752094816. The cubic root of 12807632 is about 233.9679017019.

The spelling of 12807632 in words is "twelve million, eight hundred seven thousand, six hundred thirty-two".