11983500 has 72 divisors (see below), whose sum is σ = 37818144. Its totient is φ = 3194400.

The previous prime is 11983481. The next prime is 11983501. The reversal of 11983500 is 538911.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11983501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3169 + ... + 5831.

It is an arithmetic number, because the mean of its divisors is an integer number (525252).

Almost surely, 2^11983500 is an apocalyptic number.

11983500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11983500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18909072).

11983500 is an abundant number, since it is smaller than the sum of its proper divisors (25834644).

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

11983500 is a wasteful number, since it uses less digits than its factorization.

11983500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688 (or 2673 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 11983500 is about 3461.7192260494. The cubic root of 11983500 is about 228.8378682411.

The spelling of 11983500 in words is "eleven million, nine hundred eighty-three thousand, five hundred".