12873528 has 24 divisors (see below), whose sum is σ = 34866000. Its totient is φ = 4291152.

The previous prime is 12873527. The next prime is 12873547. The reversal of 12873528 is 82537821.

12873528 is a `hidden beast` number, since 128 + 7 + 3 + 528 = 666.

12873528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12873492 and 12873501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12873527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89328 + ... + 89471.

It is an arithmetic number, because the mean of its divisors is an integer number (1452750).

Almost surely, 2^12873528 is an apocalyptic number.

12873528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12873528 is an abundant number, since it is smaller than the sum of its proper divisors (21992472).

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

12873528 is a wasteful number, since it uses less digits than its factorization.

12873528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178811 (or 178804 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 12873528 is about 3587.9698995393. The cubic root of 12873528 is about 234.3684749117.

The spelling of 12873528 in words is "twelve million, eight hundred seventy-three thousand, five hundred twenty-eight".