12875520 has 144 divisors (see below), whose sum is σ = 47093760. Its totient is φ = 2936832.

The previous prime is 12875503. The next prime is 12875531. The reversal of 12875520 is 2557821.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26641 + ... + 27119.

It is an arithmetic number, because the mean of its divisors is an integer number (327040).

Almost surely, 2^12875520 is an apocalyptic number.

12875520 is a gapful number since it is divisible by the number (10) 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 12875520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23546880).

12875520 is an abundant number, since it is smaller than the sum of its proper divisors (34218240).

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

12875520 is an equidigital number, since it uses as much as digits as its factorization.

12875520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 12875520 is about 3588.2474831037. The cubic root of 12875520 is about 234.3805627124.

The spelling of 12875520 in words is "twelve million, eight hundred seventy-five thousand, five hundred twenty".