12927631 has 2 divisors, whose sum is σ = 12927632. Its totient is φ = 12927630.

The previous prime is 12927571. The next prime is 12927641. The reversal of 12927631 is 13672921.

12927631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12927631 - 2⁷ = 12927503 is a prime.

It is a super-2 number, since 2×12927631² = 334247286544322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12927593 and 12927602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12927641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6463815 + 6463816.

It is an arithmetic number, because the mean of its divisors is an integer number (6463816).

Almost surely, 2^12927631 is an apocalyptic number.

12927631 is a deficient number, since it is larger than the sum of its proper divisors (1).

12927631 is an equidigital number, since it uses as much as digits as its factorization.

12927631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

The square root of 12927631 is about 3595.5014949239. The cubic root of 12927631 is about 234.6963393396.

The spelling of 12927631 in words is "twelve million, nine hundred twenty-seven thousand, six hundred thirty-one".