12147382 has 24 divisors (see below), whose sum is σ = 20014344. Its totient is φ = 5526144.

The previous prime is 12147361. The next prime is 12147383. The reversal of 12147382 is 28374121.

It is a self number, because there is not a number n which added to its sum of digits gives 12147382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12147383) 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, 27838 + ... + 28270.

It is an arithmetic number, because the mean of its divisors is an integer number (833931).

Almost surely, 2^12147382 is an apocalyptic number.

12147382 is a deficient number, since it is larger than the sum of its proper divisors (7866962).

12147382 is a wasteful number, since it uses less digits than its factorization.

12147382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 531 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 12147382 is about 3485.3094554143. The cubic root of 12147382 is about 229.8763166135.

The spelling of 12147382 in words is "twelve million, one hundred forty-seven thousand, three hundred eighty-two".