13368431 has 2 divisors, whose sum is σ = 13368432. Its totient is φ = 13368430.

The previous prime is 13368413. The next prime is 13368437. The reversal of 13368431 is 13486331.

Together with previous prime (13368413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (13486331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13368431 - 2¹⁸ = 13106287 is a prime.

It is a super-2 number, since 2×13368431² = 357429894803522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13368394 and 13368403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13368437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6684215 + 6684216.

It is an arithmetic number, because the mean of its divisors is an integer number (6684216).

Almost surely, 2^13368431 is an apocalyptic number.

13368431 is a deficient number, since it is larger than the sum of its proper divisors (1).

13368431 is an equidigital number, since it uses as much as digits as its factorization.

13368431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 13368431 is about 3656.2865040913. The cubic root of 13368431 is about 237.3341024274.

The spelling of 13368431 in words is "thirteen million, three hundred sixty-eight thousand, four hundred thirty-one".