12407431 has 2 divisors, whose sum is σ = 12407432. Its totient is φ = 12407430.

The previous prime is 12407429. The next prime is 12407453. The reversal of 12407431 is 13470421.

It is an a-pointer prime, because the next prime (12407453) can be obtained adding 12407431 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12407431 - 2¹ = 12407429 is a prime.

It is a super-2 number, since 2×12407431² = 307888688039522, which contains 22 as substring.

Together with 12407429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12407411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6203715 + 6203716.

It is an arithmetic number, because the mean of its divisors is an integer number (6203716).

Almost surely, 2^12407431 is an apocalyptic number.

12407431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12407431 is an equidigital number, since it uses as much as digits as its factorization.

12407431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 12407431 is about 3522.4183453985. The cubic root of 12407431 is about 231.5051320027.

Adding to 12407431 its reverse (13470421), we get a palindrome (25877852).

The spelling of 12407431 in words is "twelve million, four hundred seven thousand, four hundred thirty-one".