12071075 has 12 divisors (see below), whose sum is σ = 15060048. Its totient is φ = 9597600.

The previous prime is 12071063. The next prime is 12071077. The reversal of 12071075 is 57017021.

It is a happy number.

It is not a de Polignac number, because 12071075 - 2¹² = 12066979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12071075.

It is not an unprimeable number, because it can be changed into a prime (12071077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2930 + ... + 5720.

It is an arithmetic number, because the mean of its divisors is an integer number (1255004).

Almost surely, 2^12071075 is an apocalyptic number.

12071075 is a deficient number, since it is larger than the sum of its proper divisors (2988973).

12071075 is a wasteful number, since it uses less digits than its factorization.

12071075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974 (or 2969 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 12071075 is about 3474.3452620602. The cubic root of 12071075 is about 229.3939621810.

Adding to 12071075 its reverse (57017021), we get a palindrome (69088096).

The spelling of 12071075 in words is "twelve million, seventy-one thousand, seventy-five".