12045075 has 24 divisors (see below), whose sum is σ = 22760448. Its totient is φ = 5506080.

The previous prime is 12045071. The next prime is 12045083. The reversal of 12045075 is 57054021.

It is not a de Polignac number, because 12045075 - 2² = 12045071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12045071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10947 + ... + 11996.

It is an arithmetic number, because the mean of its divisors is an integer number (948352).

Almost surely, 2^12045075 is an apocalyptic number.

12045075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12045075 is a deficient number, since it is larger than the sum of its proper divisors (10715373).

12045075 is a wasteful number, since it uses less digits than its factorization.

12045075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22963 (or 22958 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 12045075 is about 3470.6015328758. The cubic root of 12045075 is about 229.2291458661.

Adding to 12045075 its reverse (57054021), we get a palindrome (69099096).

The spelling of 12045075 in words is "twelve million, forty-five thousand, seventy-five".