13216958 has 4 divisors (see below), whose sum is σ = 19825440. Its totient is φ = 6608478.

The previous prime is 13216921. The next prime is 13216963. The reversal of 13216958 is 85961231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85961231 = 17 ⋅5056543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3304238 + ... + 3304241.

It is an arithmetic number, because the mean of its divisors is an integer number (4956360).

Almost surely, 2^13216958 is an apocalyptic number.

13216958 is a deficient number, since it is larger than the sum of its proper divisors (6608482).

13216958 is an equidigital number, since it uses as much as digits as its factorization.

13216958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6608481.

The product of its digits is 12960, while the sum is 35.

The square root of 13216958 is about 3635.5134437930. The cubic root of 13216958 is about 236.4343122789.

The spelling of 13216958 in words is "thirteen million, two hundred sixteen thousand, nine hundred fifty-eight".