12274385 has 4 divisors (see below), whose sum is σ = 14729268. Its totient is φ = 9819504.

The previous prime is 12274373. The next prime is 12274397. The reversal of 12274385 is 58347221.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12274373) and next prime (12274397).

It can be written as a sum of positive squares in 2 ways, for example, as 5550736 + 6723649 = 2356^2 + 2593^2 .

It is a cyclic number.

It is not a de Polignac number, because 12274385 - 2⁴ = 12274369 is a prime.

It is a Duffinian 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, 1227434 + ... + 1227443.

It is an arithmetic number, because the mean of its divisors is an integer number (3682317).

Almost surely, 2^12274385 is an apocalyptic number.

It is an amenable number.

12274385 is a deficient number, since it is larger than the sum of its proper divisors (2454883).

12274385 is an equidigital number, since it uses as much as digits as its factorization.

12274385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454882.

The product of its digits is 13440, while the sum is 32.

The square root of 12274385 is about 3503.4818395419. The cubic root of 12274385 is about 230.6746730694.

The spelling of 12274385 in words is "twelve million, two hundred seventy-four thousand, three hundred eighty-five".