12025775 has 12 divisors (see below), whose sum is σ = 15103200. Its totient is φ = 9497280.

The previous prime is 12025733. The next prime is 12025781. The reversal of 12025775 is 57752021.

It is not a de Polignac number, because 12025775 - 2¹² = 12021679 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1070 + ... + 5019.

It is an arithmetic number, because the mean of its divisors is an integer number (1258600).

Almost surely, 2^12025775 is an apocalyptic number.

12025775 is a deficient number, since it is larger than the sum of its proper divisors (3077425).

12025775 is an equidigital number, since it uses as much as digits as its factorization.

12025775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6178 (or 6173 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 12025775 is about 3467.8199203534. The cubic root of 12025775 is about 229.1066480107.

Adding to 12025775 its reverse (57752021), we get a palindrome (69777796).

The spelling of 12025775 in words is "twelve million, twenty-five thousand, seven hundred seventy-five".