13216007 has 24 divisors (see below), whose sum is σ = 16351104. Its totient is φ = 10455984.

The previous prime is 13216003. The next prime is 13216009. The reversal of 13216007 is 70061231.

It is a happy number.

It is not a de Polignac number, because 13216007 - 2² = 13216003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13216007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13216003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159188 + ... + 159270.

It is an arithmetic number, because the mean of its divisors is an integer number (681296).

Almost surely, 2^13216007 is an apocalyptic number.

13216007 is a deficient number, since it is larger than the sum of its proper divisors (3135097).

13216007 is an equidigital number, since it uses as much as digits as its factorization.

13216007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 13216007 is about 3635.3826483604. The cubic root of 13216007 is about 236.4286414222.

Adding to 13216007 its reverse (70061231), we get a palindrome (83277238).

The spelling of 13216007 in words is "thirteen million, two hundred sixteen thousand, seven".