11856798 has 48 divisors (see below), whose sum is σ = 27802320. Its totient is φ = 3639168.

The previous prime is 11856763. The next prime is 11856811. The reversal of 11856798 is 89765811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12186 + ... + 13122.

It is an arithmetic number, because the mean of its divisors is an integer number (579215).

Almost surely, 2^11856798 is an apocalyptic number.

11856798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11856798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13901160).

11856798 is an abundant number, since it is smaller than the sum of its proper divisors (15945522).

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

11856798 is a wasteful number, since it uses less digits than its factorization.

11856798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 998 counting only the distinct ones).

The product of its digits is 120960, while the sum is 45.

The square root of 11856798 is about 3443.3701514650. The cubic root of 11856798 is about 228.0285052080.

The spelling of 11856798 in words is "eleven million, eight hundred fifty-six thousand, seven hundred ninety-eight".