12280575 has 12 divisors (see below), whose sum is σ = 20304008. Its totient is φ = 6549600.

The previous prime is 12280573. The next prime is 12280591. The reversal of 12280575 is 57508221.

It is not a de Polignac number, because 12280575 - 2¹ = 12280573 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 not an unprimeable number, because it can be changed into a prime (12280573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81796 + ... + 81945.

Almost surely, 2^12280575 is an apocalyptic number.

12280575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12280575 is a deficient number, since it is larger than the sum of its proper divisors (8023433).

12280575 is a wasteful number, since it uses less digits than its factorization.

12280575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163754 (or 163749 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 12280575 is about 3504.3651350851. The cubic root of 12280575 is about 230.7134431386.

Adding to 12280575 its reverse (57508221), we get a palindrome (69788796).

The spelling of 12280575 in words is "twelve million, two hundred eighty thousand, five hundred seventy-five".