13216942 has 8 divisors (see below), whose sum is σ = 20097216. Its totient is φ = 6517872.

The previous prime is 13216921. The next prime is 13216963. The reversal of 13216942 is 24961231.

It is an interprime number because it is at equal distance from previous prime (13216921) and next prime (13216963).

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

It is a self number, because there is not a number n which added to its sum of digits gives 13216942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45118 + ... + 45409.

It is an arithmetic number, because the mean of its divisors is an integer number (2512152).

Almost surely, 2^13216942 is an apocalyptic number.

13216942 is a deficient number, since it is larger than the sum of its proper divisors (6880274).

13216942 is an equidigital number, since it uses as much as digits as its factorization.

13216942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90602.

The product of its digits is 2592, while the sum is 28.

The square root of 13216942 is about 3635.5112432779. The cubic root of 13216942 is about 236.4342168724.

The spelling of 13216942 in words is "thirteen million, two hundred sixteen thousand, nine hundred forty-two".