12442575 has 12 divisors (see below), whose sum is σ = 20571848. Its totient is φ = 6636000.

The previous prime is 12442561. The next prime is 12442601. The reversal of 12442575 is 57524421.

It is not a de Polignac number, because 12442575 - 2⁸ = 12442319 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82876 + ... + 83025.

Almost surely, 2^12442575 is an apocalyptic number.

12442575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12442575 is a deficient number, since it is larger than the sum of its proper divisors (8129273).

12442575 is a wasteful number, since it uses less digits than its factorization.

12442575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165914 (or 165909 counting only the distinct ones).

The product of its digits is 11200, while the sum is 30.

The square root of 12442575 is about 3527.4034359568. The cubic root of 12442575 is about 231.7235050803.

Adding to 12442575 its reverse (57524421), we get a palindrome (69966996).

The spelling of 12442575 in words is "twelve million, four hundred forty-two thousand, five hundred seventy-five".