13216465 has 8 divisors (see below), whose sum is σ = 15949440. Its totient is φ = 10513392.

The previous prime is 13216433. The next prime is 13216477. The reversal of 13216465 is 56461231.

13216465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13216465 - 2⁵ = 13216433 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6489 + ... + 8278.

It is an arithmetic number, because the mean of its divisors is an integer number (1993680).

Almost surely, 2^13216465 is an apocalyptic number.

It is an amenable number.

13216465 is a deficient number, since it is larger than the sum of its proper divisors (2732975).

13216465 is a wasteful number, since it uses less digits than its factorization.

13216465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14951.

The product of its digits is 4320, while the sum is 28.

The square root of 13216465 is about 3635.4456398081. The cubic root of 13216465 is about 236.4313725312.

Adding to 13216465 its reverse (56461231), we get a palindrome (69677696).

The spelling of 13216465 in words is "thirteen million, two hundred sixteen thousand, four hundred sixty-five".