13216370 has 8 divisors (see below), whose sum is σ = 23789484. Its totient is φ = 5286544.

The previous prime is 13216369. The next prime is 13216387. The reversal of 13216370 is 7361231.

It is a happy number.

13216370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12327121 + 889249 = 3511^2 + 943^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660809 + ... + 660828.

Almost surely, 2^13216370 is an apocalyptic number.

13216370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13216370 is a deficient number, since it is larger than the sum of its proper divisors (10573114).

13216370 is a wasteful number, since it uses less digits than its factorization.

13216370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321644.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 13216370 is about 3635.4325739862. The cubic root of 13216370 is about 236.4308060400.

The spelling of 13216370 in words is "thirteen million, two hundred sixteen thousand, three hundred seventy".