12533512 has 16 divisors (see below), whose sum is σ = 23547600. Its totient is φ = 6254160.

The previous prime is 12533509. The next prime is 12533513. The reversal of 12533512 is 21533521.

It is not an unprimeable number, because it can be changed into a prime (12533513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3687 + ... + 6217.

It is an arithmetic number, because the mean of its divisors is an integer number (1471725).

Almost surely, 2^12533512 is an apocalyptic number.

It is an amenable number.

12533512 is a deficient number, since it is larger than the sum of its proper divisors (11014088).

12533512 is a wasteful number, since it uses less digits than its factorization.

12533512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156 (or 3152 counting only the distinct ones).

The product of its digits is 900, while the sum is 22.

The square root of 12533512 is about 3540.2700461970. The cubic root of 12533512 is about 232.2866551804.

Subtracting 12533512 from its reverse (21533521), we obtain a palindrome (9000009).

The spelling of 12533512 in words is "twelve million, five hundred thirty-three thousand, five hundred twelve".