13446216 has 64 divisors (see below), whose sum is σ = 42691200. Its totient is φ = 3841344.

The previous prime is 13446211. The next prime is 13446217. The reversal of 13446216 is 61264431.

13446216 is a `hidden beast` number, since 1 + 3 + 446 + 216 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 13446216.

It is not an unprimeable number, because it can be changed into a prime (13446211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2935 + ... + 5958.

It is an arithmetic number, because the mean of its divisors is an integer number (667050).

Almost surely, 2^13446216 is an apocalyptic number.

It is an amenable number.

13446216 is an abundant number, since it is smaller than the sum of its proper divisors (29244984).

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

13446216 is a wasteful number, since it uses less digits than its factorization.

13446216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8915 (or 8905 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 13446216 is about 3666.9082344667. The cubic root of 13446216 is about 237.7935266465.

The spelling of 13446216 in words is "thirteen million, four hundred forty-six thousand, two hundred sixteen".