13224215 has 8 divisors (see below), whose sum is σ = 16802640. Its totient is φ = 9956992.

The previous prime is 13224193. The next prime is 13224221. The reversal of 13224215 is 51242231.

13224215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13224215 - 2⁶ = 13224151 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77705 + ... + 77874.

It is an arithmetic number, because the mean of its divisors is an integer number (2100330).

Almost surely, 2^13224215 is an apocalyptic number.

13224215 is a deficient number, since it is larger than the sum of its proper divisors (3578425).

13224215 is a wasteful number, since it uses less digits than its factorization.

13224215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155601.

The product of its digits is 480, while the sum is 20.

The square root of 13224215 is about 3636.5113776805. The cubic root of 13224215 is about 236.4775771479.

Adding to 13224215 its reverse (51242231), we get a palindrome (64466446).

The spelling of 13224215 in words is "thirteen million, two hundred twenty-four thousand, two hundred fifteen".