12555632 has 10 divisors (see below), whose sum is σ = 24326568. Its totient is φ = 6277808.

The previous prime is 12555629. The next prime is 12555643. The reversal of 12555632 is 23655521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12555595 and 12555604.

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, 392348 + ... + 392379.

Almost surely, 2^12555632 is an apocalyptic number.

It is an amenable number.

12555632 is a deficient number, since it is larger than the sum of its proper divisors (11770936).

12555632 is an equidigital number, since it uses as much as digits as its factorization.

12555632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784735 (or 784729 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 12555632 is about 3543.3927244944. The cubic root of 12555632 is about 232.4232266653.

The spelling of 12555632 in words is "twelve million, five hundred fifty-five thousand, six hundred thirty-two".