13224131 has 2 divisors, whose sum is σ = 13224132. Its totient is φ = 13224130.

The previous prime is 13224119. The next prime is 13224137. The reversal of 13224131 is 13142231.

It is a strong prime.

It is an emirp because it is prime and its reverse (13142231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13224131 - 2¹⁸ = 12961987 is a prime.

It is a super-2 number, since 2×13224131² = 349755281410322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13224137) 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 as a sum of consecutive naturals, namely, 6612065 + 6612066.

It is an arithmetic number, because the mean of its divisors is an integer number (6612066).

Almost surely, 2^13224131 is an apocalyptic number.

13224131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13224131 is an equidigital number, since it uses as much as digits as its factorization.

13224131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 17.

The square root of 13224131 is about 3636.4998281314. The cubic root of 13224131 is about 236.4770764462.

Adding to 13224131 its reverse (13142231), we get a palindrome (26366362).

The spelling of 13224131 in words is "thirteen million, two hundred twenty-four thousand, one hundred thirty-one".