12353218 has 8 divisors (see below), whose sum is σ = 18981900. Its totient is φ = 6025920.

The previous prime is 12353213. The next prime is 12353239. The reversal of 12353218 is 81235321.

It can be written as a sum of positive squares in 2 ways, for example, as 11675889 + 677329 = 3417^2 + 823^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12353192 and 12353201.

It is not an unprimeable number, because it can be changed into a prime (12353213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75243 + ... + 75406.

Almost surely, 2^12353218 is an apocalyptic number.

12353218 is a deficient number, since it is larger than the sum of its proper divisors (6628682).

12353218 is a wasteful number, since it uses less digits than its factorization.

12353218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150692.

The product of its digits is 1440, while the sum is 25.

The square root of 12353218 is about 3514.7144976513. The cubic root of 12353218 is about 231.1674603894.

Adding to 12353218 its reverse (81235321), we get a palindrome (93588539).

The spelling of 12353218 in words is "twelve million, three hundred fifty-three thousand, two hundred eighteen".