1131396 has 24 divisors (see below), whose sum is σ = 3017280. Its totient is φ = 323232.

The previous prime is 1131379. The next prime is 1131397. The reversal of 1131396 is 6931311.

It is not an unprimeable number, because it can be changed into a prime (1131397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6651 + ... + 6818.

It is an arithmetic number, because the mean of its divisors is an integer number (125720).

2^1131396 is an apocalyptic number.

It is an amenable number.

1131396 is an abundant number, since it is smaller than the sum of its proper divisors (1885884).

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

1131396 is a wasteful number, since it uses less digits than its factorization.

1131396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13483 (or 13481 counting only the distinct ones).

The product of its digits is 486, while the sum is 24.

The square root of 1131396 is about 1063.6710017670. The cubic root of 1131396 is about 104.2009183007.

The spelling of 1131396 in words is "one million, one hundred thirty-one thousand, three hundred ninety-six".