13224261 has 8 divisors (see below), whose sum is σ = 18240480. Its totient is φ = 8512112.

The previous prime is 13224227. The next prime is 13224269. The reversal of 13224261 is 16242231.

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 13224261 - 2¹⁰ = 13223237 is a prime.

It is a super-2 number, since 2×13224261² = 349762157992242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13224269) 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 7 ways as a sum of consecutive naturals, for example, 75915 + ... + 76088.

It is an arithmetic number, because the mean of its divisors is an integer number (2280060).

Almost surely, 2^13224261 is an apocalyptic number.

It is an amenable number.

13224261 is a deficient number, since it is larger than the sum of its proper divisors (5016219).

13224261 is a wasteful number, since it uses less digits than its factorization.

13224261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152035.

The product of its digits is 576, while the sum is 21.

The square root of 13224261 is about 3636.5177024181. The cubic root of 13224261 is about 236.4778513407.

Adding to 13224261 its reverse (16242231), we get a palindrome (29466492).

The spelling of 13224261 in words is "thirteen million, two hundred twenty-four thousand, two hundred sixty-one".