12533868 has 18 divisors (see below), whose sum is σ = 31682924. Its totient is φ = 4177944.

The previous prime is 12533839. The next prime is 12533869. The reversal of 12533868 is 86833521.

12533868 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 (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 348163 = 12533868 / (1 + 2 + 5 + 3 + 3 + 8 + 6 + 8).

It is not an unprimeable number, because it can be changed into a prime (12533869) 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, 174046 + ... + 174117.

Almost surely, 2^12533868 is an apocalyptic number.

12533868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12533868 is an abundant number, since it is smaller than the sum of its proper divisors (19149056).

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

12533868 is a wasteful number, since it uses less digits than its factorization.

12533868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348173 (or 348168 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 12533868 is about 3540.3203244904. The cubic root of 12533868 is about 232.2888544381.

The spelling of 12533868 in words is "twelve million, five hundred thirty-three thousand, eight hundred sixty-eight".