13321465 has 4 divisors (see below), whose sum is σ = 15985764. Its totient is φ = 10657168.

The previous prime is 13321463. The next prime is 13321481. The reversal of 13321465 is 56412331.

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 7661824 + 5659641 = 2768^2 + 2379^2 .

It is a cyclic number.

It is not a de Polignac number, because 13321465 - 2¹ = 13321463 is a prime.

It is a super-2 number, since 2×13321465² = 354922859492450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13321463) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1332142 + ... + 1332151.

It is an arithmetic number, because the mean of its divisors is an integer number (3996441).

Almost surely, 2^13321465 is an apocalyptic number.

It is an amenable number.

13321465 is a deficient number, since it is larger than the sum of its proper divisors (2664299).

13321465 is an equidigital number, since it uses as much as digits as its factorization.

13321465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664298.

The product of its digits is 2160, while the sum is 25.

The square root of 13321465 is about 3649.8582164243. The cubic root of 13321465 is about 237.0558420878.

Adding to 13321465 its reverse (56412331), we get a palindrome (69733796).

The spelling of 13321465 in words is "thirteen million, three hundred twenty-one thousand, four hundred sixty-five".