12981752 has 32 divisors (see below), whose sum is σ = 29030400. Its totient is φ = 5321184.

The previous prime is 12981751. The next prime is 12981797. The reversal of 12981752 is 25718921.

12981752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12981751) 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, 3752 + ... + 6327.

It is an arithmetic number, because the mean of its divisors is an integer number (907200).

Almost surely, 2^12981752 is an apocalyptic number.

It is an amenable number.

12981752 is an abundant number, since it is smaller than the sum of its proper divisors (16048648).

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

12981752 is a wasteful number, since it uses less digits than its factorization.

12981752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10115 (or 10111 counting only the distinct ones).

The product of its digits is 10080, while the sum is 35.

The square root of 12981752 is about 3603.0198445193. The cubic root of 12981752 is about 235.0233989075.

The spelling of 12981752 in words is "twelve million, nine hundred eighty-one thousand, seven hundred fifty-two".