12005265 has 8 divisors (see below), whose sum is σ = 19208448. Its totient is φ = 6402800.

The previous prime is 12005243. The next prime is 12005269. The reversal of 12005265 is 56250021.

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

It is not a de Polignac number, because 12005265 - 2¹² = 12001169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12005269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400161 + ... + 400190.

It is an arithmetic number, because the mean of its divisors is an integer number (2401056).

Almost surely, 2^12005265 is an apocalyptic number.

12005265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12005265 is a deficient number, since it is larger than the sum of its proper divisors (7203183).

12005265 is an equidigital number, since it uses as much as digits as its factorization.

12005265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800359.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12005265 is about 3464.8614690922. The cubic root of 12005265 is about 228.9763265066.

Adding to 12005265 its reverse (56250021), we get a palindrome (68255286).

The spelling of 12005265 in words is "twelve million, five thousand, two hundred sixty-five".