12784632 has 32 divisors (see below), whose sum is σ = 36528000. Its totient is φ = 3652704.

The previous prime is 12784613. The next prime is 12784633. The reversal of 12784632 is 23648721.

12784632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12784593 and 12784602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12784633) 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, 37882 + ... + 38217.

It is an arithmetic number, because the mean of its divisors is an integer number (1141500).

Almost surely, 2^12784632 is an apocalyptic number.

12784632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12784632 is an abundant number, since it is smaller than the sum of its proper divisors (23743368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12784632 is a wasteful number, since it uses less digits than its factorization.

12784632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76115 (or 76111 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 12784632 is about 3575.5603756614. The cubic root of 12784632 is about 233.8277642643.

The spelling of 12784632 in words is "twelve million, seven hundred eighty-four thousand, six hundred thirty-two".