12673632 has 48 divisors (see below), whose sum is σ = 33635952. Its totient is φ = 4177920.

The previous prime is 12673607. The next prime is 12673649. The reversal of 12673632 is 23637621.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 12673632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8632 + ... + 9992.

It is an arithmetic number, because the mean of its divisors is an integer number (700749).

Almost surely, 2^12673632 is an apocalyptic number.

12673632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12673632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16817976).

12673632 is an abundant number, since it is smaller than the sum of its proper divisors (20962320).

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

12673632 is a wasteful number, since it uses less digits than its factorization.

12673632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471 (or 1463 counting only the distinct ones).

The product of its digits is 9072, while the sum is 30.

The square root of 12673632 is about 3560.0044943792. The cubic root of 12673632 is about 233.1490753957.

The spelling of 12673632 in words is "twelve million, six hundred seventy-three thousand, six hundred thirty-two".