13243465 has 4 divisors (see below), whose sum is σ = 15892164. Its totient is φ = 10594768.

The previous prime is 13243463. The next prime is 13243471. The reversal of 13243465 is 56434231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7112889 + 6130576 = 2667^2 + 2476^2 .

It is a cyclic number.

It is not a de Polignac number, because 13243465 - 2¹ = 13243463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13243463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1324342 + ... + 1324351.

It is an arithmetic number, because the mean of its divisors is an integer number (3973041).

Almost surely, 2^13243465 is an apocalyptic number.

It is an amenable number.

13243465 is a deficient number, since it is larger than the sum of its proper divisors (2648699).

13243465 is an equidigital number, since it uses as much as digits as its factorization.

13243465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648698.

The product of its digits is 8640, while the sum is 28.

The square root of 13243465 is about 3639.1571826455. The cubic root of 13243465 is about 236.5922654003.

Adding to 13243465 its reverse (56434231), we get a palindrome (69677696).

The spelling of 13243465 in words is "thirteen million, two hundred forty-three thousand, four hundred sixty-five".