12133896 has 64 divisors (see below), whose sum is σ = 32071680. Its totient is φ = 3819840.

The previous prime is 12133889. The next prime is 12133897. The reversal of 12133896 is 69833121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34795 + ... + 35141.

It is an arithmetic number, because the mean of its divisors is an integer number (501120).

Almost surely, 2^12133896 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 12133896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16035840).

12133896 is an abundant number, since it is smaller than the sum of its proper divisors (19937784).

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

12133896 is a wasteful number, since it uses less digits than its factorization.

12133896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 430 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 12133896 is about 3483.3742262352. The cubic root of 12133896 is about 229.7912156987.

The spelling of 12133896 in words is "twelve million, one hundred thirty-three thousand, eight hundred ninety-six".