12275305 has 16 divisors (see below), whose sum is σ = 17291520. Its totient is φ = 8188992.

The previous prime is 12275299. The next prime is 12275321. The reversal of 12275305 is 50357221.

It is not a de Polignac number, because 12275305 - 2³ = 12275297 is a prime.

It is a super-2 number, since 2×12275305² = 301366225686050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12275305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3445 + ... + 6034.

It is an arithmetic number, because the mean of its divisors is an integer number (1080720).

Almost surely, 2^12275305 is an apocalyptic number.

It is an amenable number.

12275305 is a deficient number, since it is larger than the sum of its proper divisors (5016215).

12275305 is an equidigital number, since it uses as much as digits as its factorization.

12275305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9528.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 12275305 is about 3503.6131350365. The cubic root of 12275305 is about 230.6804361659.

The spelling of 12275305 in words is "twelve million, two hundred seventy-five thousand, three hundred five".