12231296 has 128 divisors (see below), whose sum is σ = 32607360. Its totient is φ = 4423680.

The previous prime is 12231283. The next prime is 12231311. The reversal of 12231296 is 69213221.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167516 + ... + 167588.

It is an arithmetic number, because the mean of its divisors is an integer number (254745).

Almost surely, 2^12231296 is an apocalyptic number.

12231296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12231296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16303680).

12231296 is an abundant number, since it is smaller than the sum of its proper divisors (20376064).

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

12231296 is a wasteful number, since it uses less digits than its factorization.

12231296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 110 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 12231296 is about 3497.3269792800. The cubic root of 12231296 is about 230.4044302132.

The spelling of 12231296 in words is "twelve million, two hundred thirty-one thousand, two hundred ninety-six".