12282405 has 8 divisors (see below), whose sum is σ = 19651872. Its totient is φ = 6550608.

The previous prime is 12282401. The next prime is 12282419. The reversal of 12282405 is 50428221.

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

It is not a de Polignac number, because 12282405 - 2² = 12282401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12282401) 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, 409399 + ... + 409428.

It is an arithmetic number, because the mean of its divisors is an integer number (2456484).

Almost surely, 2^12282405 is an apocalyptic number.

12282405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12282405 is a deficient number, since it is larger than the sum of its proper divisors (7369467).

12282405 is an equidigital number, since it uses as much as digits as its factorization.

12282405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818835.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 12282405 is about 3504.6262282874. The cubic root of 12282405 is about 230.7249025540.

The spelling of 12282405 in words is "twelve million, two hundred eighty-two thousand, four hundred five".