12280113 has 16 divisors (see below), whose sum is σ = 18581760. Its totient is φ = 8011728.

The previous prime is 12280111. The next prime is 12280127. The reversal of 12280113 is 31108221.

12280113 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12280113 - 2¹ = 12280111 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12280111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3570 + ... + 6107.

It is an arithmetic number, because the mean of its divisors is an integer number (1161360).

Almost surely, 2^12280113 is an apocalyptic number.

It is an amenable number.

12280113 is a deficient number, since it is larger than the sum of its proper divisors (6301647).

12280113 is an equidigital number, since it uses as much as digits as its factorization.

12280113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9733 (or 9727 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 12280113 is about 3504.2992166766. The cubic root of 12280113 is about 230.7105499258.

Adding to 12280113 its reverse (31108221), we get a palindrome (43388334).

The spelling of 12280113 in words is "twelve million, two hundred eighty thousand, one hundred thirteen".