12761311 has 2 divisors, whose sum is σ = 12761312. Its totient is φ = 12761310.

The previous prime is 12761267. The next prime is 12761317. The reversal of 12761311 is 11316721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12761311 - 2¹⁹ = 12237023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12761317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6380655 + 6380656.

It is an arithmetic number, because the mean of its divisors is an integer number (6380656).

Almost surely, 2^12761311 is an apocalyptic number.

12761311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12761311 is an equidigital number, since it uses as much as digits as its factorization.

12761311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252, while the sum is 22.

The square root of 12761311 is about 3572.2977199556. The cubic root of 12761311 is about 233.6854992804.

The spelling of 12761311 in words is "twelve million, seven hundred sixty-one thousand, three hundred eleven".