12776941 has 2 divisors, whose sum is σ = 12776942. Its totient is φ = 12776940.

The previous prime is 12776921. The next prime is 12776957. The reversal of 12776941 is 14967721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12744900 + 32041 = 3570^2 + 179^2 .

It is a cyclic number.

It is not a de Polignac number, because 12776941 - 2¹¹ = 12774893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12776941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12776921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6388470 + 6388471.

It is an arithmetic number, because the mean of its divisors is an integer number (6388471).

Almost surely, 2^12776941 is an apocalyptic number.

It is an amenable number.

12776941 is a deficient number, since it is larger than the sum of its proper divisors (1).

12776941 is an equidigital number, since it uses as much as digits as its factorization.

12776941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 37.

The square root of 12776941 is about 3574.4847181097. The cubic root of 12776941 is about 233.7808660280.

The spelling of 12776941 in words is "twelve million, seven hundred seventy-six thousand, nine hundred forty-one".