12003265 has 8 divisors (see below), whose sum is σ = 14553000. Its totient is φ = 9503232.

The previous prime is 12003247. The next prime is 12003287. The reversal of 12003265 is 56230021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4112784 + 7890481 = 2028^2 + 2809^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12003265 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 7 ways as a sum of consecutive naturals, for example, 11890 + ... + 12859.

It is an arithmetic number, because the mean of its divisors is an integer number (1819125).

Almost surely, 2^12003265 is an apocalyptic number.

It is an amenable number.

12003265 is a deficient number, since it is larger than the sum of its proper divisors (2549735).

12003265 is an equidigital number, since it uses as much as digits as its factorization.

12003265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24851.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 12003265 is about 3464.5728452437. The cubic root of 12003265 is about 228.9636104722.

Adding to 12003265 its reverse (56230021), we get a palindrome (68233286).

It can be divided in two parts, 1200 and 3265, that added together give a triangular number (4465 = T₉₄).

The spelling of 12003265 in words is "twelve million, three thousand, two hundred sixty-five".