12133552 has 40 divisors (see below), whose sum is σ = 24998400. Its totient is φ = 5689152.

The previous prime is 12133547. The next prime is 12133577. The reversal of 12133552 is 25533121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50649 + ... + 50887.

It is an arithmetic number, because the mean of its divisors is an integer number (624960).

Almost surely, 2^12133552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12133552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12499200).

12133552 is an abundant number, since it is smaller than the sum of its proper divisors (12864848).

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

12133552 is a wasteful number, since it uses less digits than its factorization.

12133552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 427 counting only the distinct ones).

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

The square root of 12133552 is about 3483.3248484745. The cubic root of 12133552 is about 229.7890441257.

Adding to 12133552 its reverse (25533121), we get a palindrome (37666673).

The spelling of 12133552 in words is "twelve million, one hundred thirty-three thousand, five hundred fifty-two".