12407125 has 8 divisors (see below), whose sum is σ = 15484248. Its totient is φ = 9925600.

The previous prime is 12407119. The next prime is 12407147. The reversal of 12407125 is 52170421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1602756 + 10804369 = 1266^2 + 3287^2 .

It is not a de Polignac number, because 12407125 - 2³ = 12407117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12407096 and 12407105.

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 7 ways as a sum of consecutive naturals, for example, 49504 + ... + 49753.

It is an arithmetic number, because the mean of its divisors is an integer number (1935531).

Almost surely, 2^12407125 is an apocalyptic number.

It is an amenable number.

12407125 is a deficient number, since it is larger than the sum of its proper divisors (3077123).

12407125 is an frugal number, since it uses more digits than its factorization.

12407125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99272 (or 99262 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 12407125 is about 3522.3749090635. The cubic root of 12407125 is about 231.5032288111.

Adding to 12407125 its reverse (52170421), we get a palindrome (64577546).

The spelling of 12407125 in words is "twelve million, four hundred seven thousand, one hundred twenty-five".