12025345 has 4 divisors (see below), whose sum is σ = 14430420. Its totient is φ = 9620272.

The previous prime is 12025327. The next prime is 12025367. The reversal of 12025345 is 54352021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54352021 = 31 ⋅1753291.

It can be written as a sum of positive squares in 2 ways, for example, as 2347024 + 9678321 = 1532^2 + 3111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12025345 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 1202530 + ... + 1202539.

It is an arithmetic number, because the mean of its divisors is an integer number (3607605).

Almost surely, 2^12025345 is an apocalyptic number.

It is an amenable number.

12025345 is a deficient number, since it is larger than the sum of its proper divisors (2405075).

12025345 is an equidigital number, since it uses as much as digits as its factorization.

12025345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405074.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 12025345 is about 3467.7579211935. The cubic root of 12025345 is about 229.1039172918.

Adding to 12025345 its reverse (54352021), we get a palindrome (66377366).

The spelling of 12025345 in words is "twelve million, twenty-five thousand, three hundred forty-five".