12533668 has 24 divisors (see below), whose sum is σ = 25147584. Its totient is φ = 5354400.

The previous prime is 12533663. The next prime is 12533671. The reversal of 12533668 is 86633521.

It is not an unprimeable number, because it can be changed into a prime (12533663) 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, 12423 + ... + 13393.

It is an arithmetic number, because the mean of its divisors is an integer number (1047816).

Almost surely, 2^12533668 is an apocalyptic number.

It is an amenable number.

12533668 is an abundant number, since it is smaller than the sum of its proper divisors (12613916).

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

12533668 is a wasteful number, since it uses less digits than its factorization.

12533668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443 (or 1441 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 12533668 is about 3540.2920783461. The cubic root of 12533668 is about 232.2876189052.

The spelling of 12533668 in words is "twelve million, five hundred thirty-three thousand, six hundred sixty-eight".