12533465 has 12 divisors (see below), whose sum is σ = 17496036. Its totient is φ = 8594208.

The previous prime is 12533461. The next prime is 12533501. The reversal of 12533465 is 56433521.

12533465 = 308² + 309² + ... + 405².

It can be written as a sum of positive squares in 2 ways, for example, as 9616201 + 2917264 = 3101^2 + 1708^2 .

It is not a de Polignac number, because 12533465 - 2² = 12533461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12533461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25334 + ... + 25823.

It is an arithmetic number, because the mean of its divisors is an integer number (1458003).

Almost surely, 2^12533465 is an apocalyptic number.

It is an amenable number.

12533465 is a deficient number, since it is larger than the sum of its proper divisors (4962571).

12533465 is an equidigital number, since it uses as much as digits as its factorization.

12533465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51176 (or 51169 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 12533465 is about 3540.2634082791. The cubic root of 12533465 is about 232.2863648259.

Adding to 12533465 its reverse (56433521), we get a palindrome (68966986).

The spelling of 12533465 in words is "twelve million, five hundred thirty-three thousand, four hundred sixty-five".