12388265 has 8 divisors (see below), whose sum is σ = 14887368. Its totient is φ = 9896320.

The previous prime is 12388261. The next prime is 12388267. The reversal of 12388265 is 56288321.

It can be written as a sum of positive squares in 4 ways, for example, as 478864 + 11909401 = 692^2 + 3451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12388265 - 2² = 12388261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12388261) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3389 + ... + 6021.

It is an arithmetic number, because the mean of its divisors is an integer number (1860921).

Almost surely, 2^12388265 is an apocalyptic number.

It is an amenable number.

12388265 is a deficient number, since it is larger than the sum of its proper divisors (2499103).

12388265 is an equidigital number, since it uses as much as digits as its factorization.

12388265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579.

The product of its digits is 23040, while the sum is 35.

The square root of 12388265 is about 3519.6967198894. The cubic root of 12388265 is about 231.3858670778.

It can be divided in two parts, 123 and 88265, that added together give a palindrome (88388).

The spelling of 12388265 in words is "twelve million, three hundred eighty-eight thousand, two hundred sixty-five".