12507032 has 32 divisors (see below), whose sum is σ = 24749280. Its totient is φ = 5913600.

The previous prime is 12507031. The next prime is 12507037. The reversal of 12507032 is 23070521.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 12506995 and 12507013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12507031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18248 + ... + 18920.

It is an arithmetic number, because the mean of its divisors is an integer number (773415).

Almost surely, 2^12507032 is an apocalyptic number.

It is an amenable number.

12507032 is a deficient number, since it is larger than the sum of its proper divisors (12242248).

12507032 is a wasteful number, since it uses less digits than its factorization.

12507032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 12507032 is about 3536.5282410862. The cubic root of 12507032 is about 232.1229530593.

Adding to 12507032 its reverse (23070521), we get a palindrome (35577553).

The spelling of 12507032 in words is "twelve million, five hundred seven thousand, thirty-two".