12280371 has 8 divisors (see below), whose sum is σ = 16902144. Its totient is φ = 7922760.

The previous prime is 12280357. The next prime is 12280379. The reversal of 12280371 is 17308221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12280371 - 2⁹ = 12279859 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12280379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65931 + ... + 66116.

It is an arithmetic number, because the mean of its divisors is an integer number (2112768).

Almost surely, 2^12280371 is an apocalyptic number.

12280371 is a deficient number, since it is larger than the sum of its proper divisors (4621773).

12280371 is a wasteful number, since it uses less digits than its factorization.

12280371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132081.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 12280371 is about 3504.3360284082. The cubic root of 12280371 is about 230.7121656250.

Adding to 12280371 its reverse (17308221), we get a palindrome (29588592).

The spelling of 12280371 in words is "twelve million, two hundred eighty thousand, three hundred seventy-one".