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12680597 is a prime number
BaseRepresentation
bin110000010111…
…110110010101
3212212020111202
4300113312111
511221234342
61131442245
7212532446
oct60276625
925766452
1012680597
117181136
1242b6385
13281ca17
1419812cd
1511a7332
hexc17d95

12680597 has 2 divisors, whose sum is σ = 12680598. Its totient is φ = 12680596.

The previous prime is 12680593. The next prime is 12680609. The reversal of 12680597 is 79508621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11895601 + 784996 = 3449^2 + 886^2 .

It is a cyclic number.

It is not a de Polignac number, because 12680597 - 22 = 12680593 is a prime.

It is a Chen prime.

It is equal to p829748 and since 12680597 and 829748 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12680597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12680593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6340298 + 6340299.

It is an arithmetic number, because the mean of its divisors is an integer number (6340299).

Almost surely, 212680597 is an apocalyptic number.

It is an amenable number.

12680597 is a deficient number, since it is larger than the sum of its proper divisors (1).

12680597 is an equidigital number, since it uses as much as digits as its factorization.

12680597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 12680597 is about 3560.9825891178. The cubic root of 12680597 is about 233.1917778592.

The spelling of 12680597 in words is "twelve million, six hundred eighty thousand, five hundred ninety-seven".