12533562 has 16 divisors (see below), whose sum is σ = 27852480. Its totient is φ = 4177836.

The previous prime is 12533561. The next prime is 12533569. The reversal of 12533562 is 26533521.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12533561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115998 + ... + 116105.

It is an arithmetic number, because the mean of its divisors is an integer number (1740780).

Almost surely, 2^12533562 is an apocalyptic number.

12533562 is an abundant number, since it is smaller than the sum of its proper divisors (15318918).

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

12533562 is a wasteful number, since it uses less digits than its factorization.

12533562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232114 (or 232108 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 12533562 is about 3540.2771077982. The cubic root of 12533562 is about 232.2869640674.

The spelling of 12533562 in words is "twelve million, five hundred thirty-three thousand, five hundred sixty-two".