12191482 has 8 divisors (see below), whose sum is σ = 19362996. Its totient is φ = 5737152.

The previous prime is 12191479. The next prime is 12191497. The reversal of 12191482 is 28419121.

It can be written as a sum of positive squares in 2 ways, for example, as 12047841 + 143641 = 3471^2 + 379^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12191482.

It is an unprimeable number.

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, 179253 + ... + 179320.

Almost surely, 2^12191482 is an apocalyptic number.

12191482 is a deficient number, since it is larger than the sum of its proper divisors (7171514).

12191482 is a wasteful number, since it uses less digits than its factorization.

12191482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358592.

The product of its digits is 1152, while the sum is 28.

The square root of 12191482 is about 3491.6302782511. The cubic root of 12191482 is about 230.1541625566.

It can be divided in two parts, 1219 and 1482, that added together give a triangular number (2701 = T₇₃).

The spelling of 12191482 in words is "twelve million, one hundred ninety-one thousand, four hundred eighty-two".