12280353 has 4 divisors (see below), whose sum is σ = 16373808. Its totient is φ = 8186900.

The previous prime is 12280351. The next prime is 12280357. The reversal of 12280353 is 35308221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12280353 - 2¹ = 12280351 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12280351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2046723 + ... + 2046728.

It is an arithmetic number, because the mean of its divisors is an integer number (4093452).

Almost surely, 2^12280353 is an apocalyptic number.

It is an amenable number.

12280353 is a deficient number, since it is larger than the sum of its proper divisors (4093455).

12280353 is an equidigital number, since it uses as much as digits as its factorization.

12280353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4093454.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 12280353 is about 3504.3334601604. Note that the first 3 decimals coincide. The cubic root of 12280353 is about 230.7120529025.

Adding to 12280353 its reverse (35308221), we get a palindrome (47588574).

The spelling of 12280353 in words is "twelve million, two hundred eighty thousand, three hundred fifty-three".