12804769 has 2 divisors, whose sum is σ = 12804770. Its totient is φ = 12804768.

The previous prime is 12804761. The next prime is 12804773. The reversal of 12804769 is 96740821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7102225 + 5702544 = 2665^2 + 2388^2 .

It is a cyclic number.

It is not a de Polignac number, because 12804769 - 2³ = 12804761 is a prime.

It is a super-2 number, since 2×12804769² = 327924218286722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12804761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6402384 + 6402385.

It is an arithmetic number, because the mean of its divisors is an integer number (6402385).

Almost surely, 2^12804769 is an apocalyptic number.

It is an amenable number.

12804769 is a deficient number, since it is larger than the sum of its proper divisors (1).

12804769 is an equidigital number, since it uses as much as digits as its factorization.

12804769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 12804769 is about 3578.3751899431. The cubic root of 12804769 is about 233.9504667844.

The spelling of 12804769 in words is "twelve million, eight hundred four thousand, seven hundred sixty-nine".