12561752 has 16 divisors (see below), whose sum is σ = 26918160. Its totient is φ = 5383584.

The previous prime is 12561751. The next prime is 12561799. The reversal of 12561752 is 25716521.

It is a super-2 number, since 2×12561752² = 315595226619008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12561751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112103 + ... + 112214.

It is an arithmetic number, because the mean of its divisors is an integer number (1682385).

Almost surely, 2^12561752 is an apocalyptic number.

It is an amenable number.

12561752 is an abundant number, since it is smaller than the sum of its proper divisors (14356408).

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

12561752 is a wasteful number, since it uses less digits than its factorization.

12561752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224330 (or 224326 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 12561752 is about 3544.2561984146. The cubic root of 12561752 is about 232.4609839336.

The spelling of 12561752 in words is "twelve million, five hundred sixty-one thousand, seven hundred fifty-two".