12040225 has 12 divisors (see below), whose sum is σ = 15249024. Its totient is φ = 9426320.

The previous prime is 12040213. The next prime is 12040253. The reversal of 12040225 is 52204021.

12040225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12040225 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12040199 and 12040208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3949 + ... + 6298.

It is an arithmetic number, because the mean of its divisors is an integer number (1270752).

Almost surely, 2^12040225 is an apocalyptic number.

It is an amenable number.

12040225 is a deficient number, since it is larger than the sum of its proper divisors (3208799).

12040225 is a wasteful number, since it uses less digits than its factorization.

12040225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10304 (or 10299 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 12040225 is about 3469.9027363890. The cubic root of 12040225 is about 229.1983750432.

Adding to 12040225 its reverse (52204021), we get a palindrome (64244246).

The spelling of 12040225 in words is "twelve million, forty thousand, two hundred twenty-five".