12533872 has 20 divisors (see below), whose sum is σ = 26152840. Its totient is φ = 5784768.

The previous prime is 12533869. The next prime is 12533893. The reversal of 12533872 is 27833521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29922 + ... + 30337.

It is an arithmetic number, because the mean of its divisors is an integer number (1307642).

Almost surely, 2^12533872 is an apocalyptic number.

It is an amenable number.

12533872 is an abundant number, since it is smaller than the sum of its proper divisors (13618968).

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

12533872 is a wasteful number, since it uses less digits than its factorization.

12533872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60280 (or 60274 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 12533872 is about 3540.3208894110. The cubic root of 12533872 is about 232.2888791486.

The spelling of 12533872 in words is "twelve million, five hundred thirty-three thousand, eight hundred seventy-two".