12627431 has 2 divisors, whose sum is σ = 12627432. Its totient is φ = 12627430.

The previous prime is 12627401. The next prime is 12627449. The reversal of 12627431 is 13472621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12627431 - 2¹⁴ = 12611047 is a prime.

It is a super-2 number, since 2×12627431² = 318904027319522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12627431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12627401) 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, 6313715 + 6313716.

It is an arithmetic number, because the mean of its divisors is an integer number (6313716).

Almost surely, 2^12627431 is an apocalyptic number.

12627431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12627431 is an equidigital number, since it uses as much as digits as its factorization.

12627431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 12627431 is about 3553.5096735481. The cubic root of 12627431 is about 232.8654198965.

The spelling of 12627431 in words is "twelve million, six hundred twenty-seven thousand, four hundred thirty-one".