12533900 has 18 divisors (see below), whose sum is σ = 27198780. Its totient is φ = 5013520.

The previous prime is 12533893. The next prime is 12533957. The reversal of 12533900 is 933521.

It is a happy 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 5 ways as a sum of consecutive naturals, for example, 62570 + ... + 62769.

Almost surely, 2^12533900 is an apocalyptic number.

12533900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12533900 is an abundant number, since it is smaller than the sum of its proper divisors (14664880).

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

12533900 is a wasteful number, since it uses less digits than its factorization.

12533900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125353 (or 125346 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 12533900 is about 3540.3248438526. The cubic root of 12533900 is about 232.2890521221.

The spelling of 12533900 in words is "twelve million, five hundred thirty-three thousand, nine hundred".