13216386 has 16 divisors (see below), whose sum is σ = 26568000. Its totient is φ = 4382928.

The previous prime is 13216369. The next prime is 13216387. The reversal of 13216386 is 68361231.

It is not an unprimeable number, because it can be changed into a prime (13216387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4341 + ... + 6728.

It is an arithmetic number, because the mean of its divisors is an integer number (1660500).

Almost surely, 2^13216386 is an apocalyptic number.

13216386 is an abundant number, since it is smaller than the sum of its proper divisors (13351614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13216386 is a wasteful number, since it uses less digits than its factorization.

13216386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11273.

The product of its digits is 5184, while the sum is 30.

The square root of 13216386 is about 3635.4347745490. The cubic root of 13216386 is about 236.4309014492.

The spelling of 13216386 in words is "thirteen million, two hundred sixteen thousand, three hundred eighty-six".