12393284 has 6 divisors (see below), whose sum is σ = 21688254. Its totient is φ = 6196640.

The previous prime is 12393281. The next prime is 12393299. The reversal of 12393284 is 48239321.

It is a happy number.

12393284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6390784 + 6002500 = 2528^2 + 2450^2 .

It is a super-3 number, since 3×12393284³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12393284.

It is not an unprimeable number, because it can be changed into a prime (12393281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1549157 + ... + 1549164.

It is an arithmetic number, because the mean of its divisors is an integer number (3614709).

Almost surely, 2^12393284 is an apocalyptic number.

It is an amenable number.

12393284 is a deficient number, since it is larger than the sum of its proper divisors (9294970).

12393284 is a wasteful number, since it uses less digits than its factorization.

12393284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098325 (or 3098323 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 12393284 is about 3520.4096352555. The cubic root of 12393284 is about 231.4171108629.

The spelling of 12393284 in words is "twelve million, three hundred ninety-three thousand, two hundred eighty-four".