12336431 has 2 divisors, whose sum is σ = 12336432. Its totient is φ = 12336430.

The previous prime is 12336427. The next prime is 12336433. The reversal of 12336431 is 13463321.

It is a strong prime.

It is an emirp because it is prime and its reverse (13463321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12336431 - 2² = 12336427 is a prime.

It is a super-2 number, since 2×12336431² = 304375059635522, which contains 22 as substring.

Together with 12336433, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12336397 and 12336406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12336433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6168215 + 6168216.

It is an arithmetic number, because the mean of its divisors is an integer number (6168216).

Almost surely, 2^12336431 is an apocalyptic number.

12336431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12336431 is an equidigital number, since it uses as much as digits as its factorization.

12336431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 23.

The square root of 12336431 is about 3512.3255828582. The cubic root of 12336431 is about 231.0627004450.

Adding to 12336431 its reverse (13463321), we get a palindrome (25799752).

The spelling of 12336431 in words is "twelve million, three hundred thirty-six thousand, four hundred thirty-one".