12730752 has 96 divisors (see below), whose sum is σ = 37631880. Its totient is φ = 4128768.

The previous prime is 12730733. The next prime is 12730777. The reversal of 12730752 is 25703721.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49408 + ... + 49664.

Almost surely, 2^12730752 is an apocalyptic number.

12730752 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 12730752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18815940).

12730752 is an abundant number, since it is smaller than the sum of its proper divisors (24901128).

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

12730752 is a wasteful number, since it uses less digits than its factorization.

12730752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 12730752 is about 3568.0179371746. The cubic root of 12730752 is about 233.4988177550.

The spelling of 12730752 in words is "twelve million, seven hundred thirty thousand, seven hundred fifty-two".