12025218 has 16 divisors (see below), whose sum is σ = 24637536. Its totient is φ = 3910560.

The previous prime is 12025183. The next prime is 12025229. The reversal of 12025218 is 81252021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12025194 and 12025203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24196 + ... + 24687.

It is an arithmetic number, because the mean of its divisors is an integer number (1539846).

Almost surely, 2^12025218 is an apocalyptic number.

12025218 is an abundant number, since it is smaller than the sum of its proper divisors (12612318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12025218 is a wasteful number, since it uses less digits than its factorization.

12025218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48929.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 12025218 is about 3467.7396096016. The cubic root of 12025218 is about 229.1031107647.

Adding to 12025218 its reverse (81252021), we get a palindrome (93277239).

The spelling of 12025218 in words is "twelve million, twenty-five thousand, two hundred eighteen".