11821096 has 48 divisors (see below), whose sum is σ = 26339040. Its totient is φ = 4872000.

The previous prime is 11821081. The next prime is 11821123. The reversal of 11821096 is 69012811.

It is a happy number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46971 + ... + 47221.

It is an arithmetic number, because the mean of its divisors is an integer number (548730).

Almost surely, 2^11821096 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 11821096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13169520).

11821096 is an abundant number, since it is smaller than the sum of its proper divisors (14517944).

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

11821096 is a wasteful number, since it uses less digits than its factorization.

11821096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 11821096 is about 3438.1820777847. The cubic root of 11821096 is about 227.7994029218.

It can be divided in two parts, 1182 and 1096, that added together give a triangular number (2278 = T₆₇).

The spelling of 11821096 in words is "eleven million, eight hundred twenty-one thousand, ninety-six".