12275307 has 40 divisors (see below), whose sum is σ = 20908800. Its totient is φ = 7104240.

The previous prime is 12275299. The next prime is 12275321. The reversal of 12275307 is 70357221.

12275307 is a `hidden beast` number, since 122 + 7 + 530 + 7 = 666.

It is not a de Polignac number, because 12275307 - 2³ = 12275299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12275357) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20194 + ... + 20792.

It is an arithmetic number, because the mean of its divisors is an integer number (522720).

Almost surely, 2^12275307 is an apocalyptic number.

12275307 is a deficient number, since it is larger than the sum of its proper divisors (8633493).

12275307 is a wasteful number, since it uses less digits than its factorization.

12275307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 12275307 is about 3503.6134204561. The cubic root of 12275307 is about 230.6804486941.

The spelling of 12275307 in words is "twelve million, two hundred seventy-five thousand, three hundred seven".