11201982 has 32 divisors (see below), whose sum is σ = 25729920. Its totient is φ = 3215520.

The previous prime is 11201951. The next prime is 11201987. The reversal of 11201982 is 28910211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3213 + ... + 5720.

It is an arithmetic number, because the mean of its divisors is an integer number (804060).

Almost surely, 2^11201982 is an apocalyptic number.

11201982 is an abundant number, since it is smaller than the sum of its proper divisors (14527938).

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

11201982 is a wasteful number, since it uses less digits than its factorization.

11201982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8968.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 11201982 is about 3346.9362109249. The cubic root of 11201982 is about 223.7509855038.

It can be divided in two parts, 112019 and 82, that added together give a triangular number (112101 = T₄₇₃).

The spelling of 11201982 in words is "eleven million, two hundred one thousand, nine hundred eighty-two".