12645125 has 8 divisors (see below), whose sum is σ = 15781272. Its totient is φ = 10116000.

The previous prime is 12645107. The next prime is 12645163. The reversal of 12645125 is 52154621.

It can be written as a sum of positive squares in 4 ways, for example, as 21316 + 12623809 = 146^2 + 3553^2 .

It is not a de Polignac number, because 12645125 - 2¹⁴ = 12628741 is a prime.

It is a super-3 number, since 3×12645125³ (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 = 12645094 and 12645103.

It is a congruent number.

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, 50456 + ... + 50705.

It is an arithmetic number, because the mean of its divisors is an integer number (1972659).

Almost surely, 2^12645125 is an apocalyptic number.

It is an amenable number.

12645125 is a deficient number, since it is larger than the sum of its proper divisors (3136147).

12645125 is an equidigital number, since it uses as much as digits as its factorization.

12645125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101176 (or 101166 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 12645125 is about 3555.9984533180. The cubic root of 12645125 is about 232.9741355364.

Adding to 12645125 its reverse (52154621), we get a palindrome (64799746).

The spelling of 12645125 in words is "twelve million, six hundred forty-five thousand, one hundred twenty-five".