13216966 has 12 divisors (see below), whose sum is σ = 23062428. Its totient is φ = 5664372.

The previous prime is 13216963. The next prime is 13216969. The reversal of 13216966 is 66961231.

13216966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13216963) and next prime (13216969).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13216963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67336 + ... + 67531.

It is an arithmetic number, because the mean of its divisors is an integer number (1921869).

Almost surely, 2^13216966 is an apocalyptic number.

13216966 is a deficient number, since it is larger than the sum of its proper divisors (9845462).

13216966 is a wasteful number, since it uses less digits than its factorization.

13216966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134883 (or 134876 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 13216966 is about 3635.5145440501. The cubic root of 13216966 is about 236.4343599821.

The spelling of 13216966 in words is "thirteen million, two hundred sixteen thousand, nine hundred sixty-six".