12040265 has 8 divisors (see below), whose sum is σ = 14800968. Its totient is φ = 9397120.

The previous prime is 12040261. The next prime is 12040271. The reversal of 12040265 is 56204021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1646089 + 10394176 = 1283^2 + 3224^2 .

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

It is not a de Polignac number, because 12040265 - 2² = 12040261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12040261) 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, 29162 + ... + 29571.

It is an arithmetic number, because the mean of its divisors is an integer number (1850121).

Almost surely, 2^12040265 is an apocalyptic number.

It is an amenable number.

12040265 is a deficient number, since it is larger than the sum of its proper divisors (2760703).

12040265 is an equidigital number, since it uses as much as digits as its factorization.

12040265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58779.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12040265 is about 3469.9085002346. The cubic root of 12040265 is about 229.1986288569.

Adding to 12040265 its reverse (56204021), we get a palindrome (68244286).

The spelling of 12040265 in words is "twelve million, forty thousand, two hundred sixty-five".