11849816 has 48 divisors (see below), whose sum is σ = 25955640. Its totient is φ = 5012480.

The previous prime is 11849813. The next prime is 11849869. The reversal of 11849816 is 61894811.

It is a self number, because there is not a number n which added to its sum of digits gives 11849816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11849813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133100 + ... + 133188.

Almost surely, 2^11849816 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 11849816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12977820).

11849816 is an abundant number, since it is smaller than the sum of its proper divisors (14105824).

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

11849816 is a wasteful number, since it uses less digits than its factorization.

11849816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 119 counting only the distinct ones).

The product of its digits is 13824, while the sum is 38.

The square root of 11849816 is about 3442.3561698348. The cubic root of 11849816 is about 227.9837374263.

The spelling of 11849816 in words is "eleven million, eight hundred forty-nine thousand, eight hundred sixteen".