12214305 has 12 divisors (see below), whose sum is σ = 21171540. Its totient is φ = 6514272.

The previous prime is 12214303. The next prime is 12214331. The reversal of 12214305 is 50341221.

It can be written as a sum of positive squares in 2 ways, for example, as 5803281 + 6411024 = 2409^2 + 2532^2 .

It is not a de Polignac number, because 12214305 - 2¹ = 12214303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12214303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135670 + ... + 135759.

It is an arithmetic number, because the mean of its divisors is an integer number (1764295).

Almost surely, 2^12214305 is an apocalyptic number.

12214305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12214305 is a deficient number, since it is larger than the sum of its proper divisors (8957235).

12214305 is a wasteful number, since it uses less digits than its factorization.

12214305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271440 (or 271437 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12214305 is about 3494.8969941902. The cubic root of 12214305 is about 230.2976926603.

Adding to 12214305 its reverse (50341221), we get a palindrome (62555526).

The spelling of 12214305 in words is "twelve million, two hundred fourteen thousand, three hundred five".