11541982 has 8 divisors (see below), whose sum is σ = 17871552. Its totient is φ = 5584800.

The previous prime is 11541967. The next prime is 11541989. The reversal of 11541982 is 28914511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11541989) 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 3 ways as a sum of consecutive naturals, for example, 93019 + ... + 93142.

It is an arithmetic number, because the mean of its divisors is an integer number (2233944).

Almost surely, 2^11541982 is an apocalyptic number.

11541982 is a deficient number, since it is larger than the sum of its proper divisors (6329570).

11541982 is a wasteful number, since it uses less digits than its factorization.

11541982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186194.

The product of its digits is 2880, while the sum is 31.

The square root of 11541982 is about 3397.3492608209. The cubic root of 11541982 is about 225.9922074218.

It can be divided in two parts, 1154 and 1982, that added together give a square (3136 = 56²).

The spelling of 11541982 in words is "eleven million, five hundred forty-one thousand, nine hundred eighty-two".