12738311 has 2 divisors, whose sum is σ = 12738312. Its totient is φ = 12738310.

The previous prime is 12738307. The next prime is 12738347. The reversal of 12738311 is 11383721.

12738311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (11383721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12738311 - 2² = 12738307 is a prime.

It is a Chen prime.

It is equal to p₈₃₃₃₀₉ and since 12738311 and 833309 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12738301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6369155 + 6369156.

It is an arithmetic number, because the mean of its divisors is an integer number (6369156).

Almost surely, 2^12738311 is an apocalyptic number.

12738311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12738311 is an equidigital number, since it uses as much as digits as its factorization.

12738311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 26.

The square root of 12738311 is about 3569.0770515639. The cubic root of 12738311 is about 233.5450226282.

The spelling of 12738311 in words is "twelve million, seven hundred thirty-eight thousand, three hundred eleven".