12031265 has 16 divisors (see below), whose sum is σ = 14914368. Its totient is φ = 9312576.

The previous prime is 12031249. The next prime is 12031267. The reversal of 12031265 is 56213021.

12031265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12031265 - 2⁴ = 12031249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21722 + ... + 22268.

It is an arithmetic number, because the mean of its divisors is an integer number (932148).

Almost surely, 2^12031265 is an apocalyptic number.

It is an amenable number.

12031265 is a deficient number, since it is larger than the sum of its proper divisors (2883103).

12031265 is an equidigital number, since it uses as much as digits as its factorization.

12031265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 12031265 is about 3468.6113936271. The cubic root of 12031265 is about 229.1415065858.

Adding to 12031265 its reverse (56213021), we get a palindrome (68244286).

The spelling of 12031265 in words is "twelve million, thirty-one thousand, two hundred sixty-five".