12005625 has 40 divisors (see below), whose sum is σ = 21118240. Its totient is φ = 6048000.

The previous prime is 12005611. The next prime is 12005627. The reversal of 12005625 is 52650021.

It is not a de Polignac number, because 12005625 - 2²⁰ = 10957049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12005627) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35457 + ... + 35793.

It is an arithmetic number, because the mean of its divisors is an integer number (527956).

Almost surely, 2^12005625 is an apocalyptic number.

12005625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12005625 is a deficient number, since it is larger than the sum of its proper divisors (9112615).

12005625 is an equidigital number, since it uses as much as digits as its factorization.

12005625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12005625 is about 3464.9134188317. The cubic root of 12005625 is about 228.9786152428.

Adding to 12005625 its product of nonzero digits (600), we get a square (12006225 = 3465²).

Adding to 12005625 its reverse (52650021), we get a palindrome (64655646).

The spelling of 12005625 in words is "twelve million, five thousand, six hundred twenty-five".