13316465 has 4 divisors (see below), whose sum is σ = 15979764. Its totient is φ = 10653168.

The previous prime is 13316449. The next prime is 13316467. The reversal of 13316465 is 56461331.

It is a happy number.

13316465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9138529 + 4177936 = 3023^2 + 2044^2 .

It is a cyclic number.

It is not a de Polignac number, because 13316465 - 2⁴ = 13316449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13316467) 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, 1331642 + ... + 1331651.

It is an arithmetic number, because the mean of its divisors is an integer number (3994941).

Almost surely, 2^13316465 is an apocalyptic number.

It is an amenable number.

13316465 is a deficient number, since it is larger than the sum of its proper divisors (2663299).

13316465 is an equidigital number, since it uses as much as digits as its factorization.

13316465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663298.

The product of its digits is 6480, while the sum is 29.

The square root of 13316465 is about 3649.1731940263. The cubic root of 13316465 is about 237.0261799965.

Adding to 13316465 its reverse (56461331), we get a palindrome (69777796).

The spelling of 13316465 in words is "thirteen million, three hundred sixteen thousand, four hundred sixty-five".