11791356 has 12 divisors (see below), whose sum is σ = 27513192. Its totient is φ = 3930448.

The previous prime is 11791349. The next prime is 11791357. The reversal of 11791356 is 65319711.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11791357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491295 + ... + 491318.

It is an arithmetic number, because the mean of its divisors is an integer number (2292766).

Almost surely, 2^11791356 is an apocalyptic number.

It is an amenable number.

11791356 is an abundant number, since it is smaller than the sum of its proper divisors (15721836).

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

11791356 is a wasteful number, since it uses less digits than its factorization.

11791356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982620 (or 982618 counting only the distinct ones).

The product of its digits is 5670, while the sum is 33.

The square root of 11791356 is about 3433.8543941175. The cubic root of 11791356 is about 227.6082067869.

The spelling of 11791356 in words is "eleven million, seven hundred ninety-one thousand, three hundred fifty-six".