12732512 has 48 divisors (see below), whose sum is σ = 27320832. Its totient is φ = 5806080.

The previous prime is 12732493. The next prime is 12732521. The reversal of 12732512 is 21523721.

It is a happy number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52712 + ... + 52952.

It is an arithmetic number, because the mean of its divisors is an integer number (569184).

Almost surely, 2^12732512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12732512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13660416).

12732512 is an abundant number, since it is smaller than the sum of its proper divisors (14588320).

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

12732512 is a wasteful number, since it uses less digits than its factorization.

12732512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 383 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 12732512 is about 3568.2645641824. The cubic root of 12732512 is about 233.5095775012.

It can be divided in two parts, 127 and 32512, that multiplied together give a square (4129024 = 2032²).

The spelling of 12732512 in words is "twelve million, seven hundred thirty-two thousand, five hundred twelve".