13227247 has 4 divisors (see below), whose sum is σ = 14429736. Its totient is φ = 12024760.

The previous prime is 13227209. The next prime is 13227251. The reversal of 13227247 is 74272231.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13227247 - 2⁷ = 13227119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13227647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601228 + ... + 601249.

It is an arithmetic number, because the mean of its divisors is an integer number (3607434).

Almost surely, 2^13227247 is an apocalyptic number.

13227247 is a deficient number, since it is larger than the sum of its proper divisors (1202489).

13227247 is a wasteful number, since it uses less digits than its factorization.

13227247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202488.

The product of its digits is 4704, while the sum is 28.

The square root of 13227247 is about 3636.9282368504. The cubic root of 13227247 is about 236.4956486736.

Adding to 13227247 its reverse (74272231), we get a palindrome (87499478).

The spelling of 13227247 in words is "thirteen million, two hundred twenty-seven thousand, two hundred forty-seven".