12280354 has 8 divisors (see below), whose sum is σ = 18501660. Its totient is φ = 6113136.

The previous prime is 12280351. The next prime is 12280357. The reversal of 12280354 is 45308221.

It is an interprime number because it is at equal distance from previous prime (12280351) and next prime (12280357).

It can be written as a sum of positive squares in 2 ways, for example, as 10530025 + 1750329 = 3245^2 + 1323^2 .

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

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, 12949 + ... + 13864.

Almost surely, 2^12280354 is an apocalyptic number.

12280354 is a deficient number, since it is larger than the sum of its proper divisors (6221306).

12280354 is a wasteful number, since it uses less digits than its factorization.

12280354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27044.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 12280354 is about 3504.3336028409. Note that the first 3 decimals coincide. The cubic root of 12280354 is about 230.7120591649.

Adding to 12280354 its reverse (45308221), we get a palindrome (57588575).

The spelling of 12280354 in words is "twelve million, two hundred eighty thousand, three hundred fifty-four".