1143296 has 80 divisors (see below), whose sum is σ = 2946240. Its totient is φ = 430080.

The previous prime is 1143283. The next prime is 1143299. The reversal of 1143296 is 6923411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39410 + ... + 39438.

It is an arithmetic number, because the mean of its divisors is an integer number (36828).

2^1143296 is an apocalyptic number.

1143296 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 1143296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1473120).

1143296 is an abundant number, since it is smaller than the sum of its proper divisors (1802944).

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

1143296 is an equidigital number, since it uses as much as digits as its factorization.

1143296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 49 counting only the distinct ones).

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

The square root of 1143296 is about 1069.2502045826. The cubic root of 1143296 is about 104.5649726061.

The spelling of 1143296 in words is "one million, one hundred forty-three thousand, two hundred ninety-six".