12274205 has 4 divisors (see below), whose sum is σ = 14729052. Its totient is φ = 9819360.

The previous prime is 12274189. The next prime is 12274219. The reversal of 12274205 is 50247221.

It is a happy number.

12274205 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50247221 = 37 ⋅1358033.

It can be written as a sum of positive squares in 2 ways, for example, as 4761124 + 7513081 = 2182^2 + 2741^2 .

It is not a de Polignac number, because 12274205 - 2⁴ = 12274189 is a prime.

It is a super-2 number, since 2×12274205² = 301312216764050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1227416 + ... + 1227425.

It is an arithmetic number, because the mean of its divisors is an integer number (3682263).

Almost surely, 2^12274205 is an apocalyptic number.

It is an amenable number.

12274205 is a deficient number, since it is larger than the sum of its proper divisors (2454847).

12274205 is an equidigital number, since it uses as much as digits as its factorization.

12274205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454846.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 12274205 is about 3503.4561507175. The cubic root of 12274205 is about 230.6735454733.

The spelling of 12274205 in words is "twelve million, two hundred seventy-four thousand, two hundred five".