12200425 has 12 divisors (see below), whose sum is σ = 15178716. Its totient is φ = 9728000.

The previous prime is 12200399. The next prime is 12200431. The reversal of 12200425 is 52400221.

It can be written as a sum of positive squares in 6 ways, for example, as 166464 + 12033961 = 408^2 + 3469^2 .

It is not a de Polignac number, because 12200425 - 2⁷ = 12200297 is a prime.

It is a super-3 number, since 3×12200425³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12200399 and 12200408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9417 + ... + 10633.

It is an arithmetic number, because the mean of its divisors is an integer number (1264893).

Almost surely, 2^12200425 is an apocalyptic number.

It is an amenable number.

12200425 is a deficient number, since it is larger than the sum of its proper divisors (2978291).

12200425 is a wasteful number, since it uses less digits than its factorization.

12200425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628 (or 1623 counting only the distinct ones).

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

The square root of 12200425 is about 3492.9106773578. The cubic root of 12200425 is about 230.2104249427.

Adding to 12200425 its reverse (52400221), we get a palindrome (64600646).

The spelling of 12200425 in words is "twelve million, two hundred thousand, four hundred twenty-five".