12735528 has 32 divisors (see below), whose sum is σ = 34288800. Its totient is φ = 3918528.

The previous prime is 12735523. The next prime is 12735539. The reversal of 12735528 is 82553721.

It is not an unprimeable number, because it can be changed into a prime (12735523) 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, 20098 + ... + 20721.

It is an arithmetic number, because the mean of its divisors is an integer number (1071525).

Almost surely, 2^12735528 is an apocalyptic number.

It is an amenable number.

12735528 is an abundant number, since it is smaller than the sum of its proper divisors (21553272).

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

12735528 is a wasteful number, since it uses less digits than its factorization.

12735528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40841 (or 40837 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 12735528 is about 3568.6871535622. The cubic root of 12735528 is about 233.5280134884.

The spelling of 12735528 in words is "twelve million, seven hundred thirty-five thousand, five hundred twenty-eight".