12265745 has 4 divisors (see below), whose sum is σ = 14718900. Its totient is φ = 9812592.

The previous prime is 12265733. The next prime is 12265769. The reversal of 12265745 is 54756221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8667136 + 3598609 = 2944^2 + 1897^2 .

It is a cyclic number.

It is not a de Polignac number, because 12265745 - 2¹² = 12261649 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1226570 + ... + 1226579.

It is an arithmetic number, because the mean of its divisors is an integer number (3679725).

Almost surely, 2^12265745 is an apocalyptic number.

It is an amenable number.

12265745 is a deficient number, since it is larger than the sum of its proper divisors (2453155).

12265745 is an equidigital number, since it uses as much as digits as its factorization.

12265745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453154.

The product of its digits is 16800, while the sum is 32.

The square root of 12265745 is about 3502.2485634232. The cubic root of 12265745 is about 230.6205360191.

The spelling of 12265745 in words is "twelve million, two hundred sixty-five thousand, seven hundred forty-five".