13424231 has 2 divisors, whose sum is σ = 13424232. Its totient is φ = 13424230.

The previous prime is 13424221. The next prime is 13424263. The reversal of 13424231 is 13242431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13424231 - 2¹⁴ = 13407847 is a prime.

It is a super-2 number, since 2×13424231² = 360419955882722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13424221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712115 + 6712116.

It is an arithmetic number, because the mean of its divisors is an integer number (6712116).

Almost surely, 2^13424231 is an apocalyptic number.

13424231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13424231 is an equidigital number, since it uses as much as digits as its factorization.

13424231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 20.

The square root of 13424231 is about 3663.9092510596. The cubic root of 13424231 is about 237.6638559017.

Adding to 13424231 its reverse (13242431), we get a palindrome (26666662).

The spelling of 13424231 in words is "thirteen million, four hundred twenty-four thousand, two hundred thirty-one".