12020265 has 32 divisors (see below), whose sum is σ = 21513600. Its totient is φ = 6367680.

The previous prime is 12020249. The next prime is 12020299. The reversal of 12020265 is 56202021.

It is not a de Polignac number, because 12020265 - 2⁴ = 12020249 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 36150 + ... + 36480.

It is an arithmetic number, because the mean of its divisors is an integer number (672300).

Almost surely, 2^12020265 is an apocalyptic number.

12020265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12020265 is a deficient number, since it is larger than the sum of its proper divisors (9493335).

12020265 is a wasteful number, since it uses less digits than its factorization.

12020265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12020265 is about 3467.0253820819. The cubic root of 12020265 is about 229.0716517775.

Adding to 12020265 its reverse (56202021), we get a palindrome (68222286).

The spelling of 12020265 in words is "twelve million, twenty thousand, two hundred sixty-five".