12280075 has 12 divisors (see below), whose sum is σ = 15332848. Its totient is φ = 9756000.

The previous prime is 12280067. The next prime is 12280087. The reversal of 12280075 is 57008221.

12280075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12280075 - 2³ = 12280067 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian 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, 2149 + ... + 5401.

Almost surely, 2^12280075 is an apocalyptic number.

12280075 is a deficient number, since it is larger than the sum of its proper divisors (3052773).

12280075 is a wasteful number, since it uses less digits than its factorization.

12280075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414 (or 3409 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 12280075 is about 3504.2937947609. The cubic root of 12280075 is about 230.7103119527.

Adding to 12280075 its reverse (57008221), we get a palindrome (69288296).

The spelling of 12280075 in words is "twelve million, two hundred eighty thousand, seventy-five".