12503632 has 20 divisors (see below), whose sum is σ = 24881716. Its totient is φ = 6082560.

The previous prime is 12503609. The next prime is 12503641. The reversal of 12503632 is 23630521.

12503632 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 2 ways, for example, as 10265616 + 2238016 = 3204^2 + 1496^2 .

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

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, 9969 + ... + 11152.

Almost surely, 2^12503632 is an apocalyptic number.

It is an amenable number.

12503632 is a deficient number, since it is larger than the sum of its proper divisors (12378084).

12503632 is a wasteful number, since it uses less digits than its factorization.

12503632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21166 (or 21160 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 12503632 is about 3536.0475109930. The cubic root of 12503632 is about 232.1019171715.

The spelling of 12503632 in words is "twelve million, five hundred three thousand, six hundred thirty-two".