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12597313 is a prime number
BaseRepresentation
bin110000000011…
…100001000001
3212201000021011
4300003201001
511211103223
61130000521
7212034601
oct60034101
925630234
1012597313
117124603
124276141
1327c0b41
14195cc01
15118c80d
hexc03841

12597313 has 2 divisors, whose sum is σ = 12597314. Its totient is φ = 12597312.

The previous prime is 12597301. The next prime is 12597337. The reversal of 12597313 is 31379521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12334144 + 263169 = 3512^2 + 513^2 .

It is a cyclic number.

It is not a de Polignac number, because 12597313 - 213 = 12589121 is a prime.

It is not a weakly prime, because it can be changed into another prime (12597413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6298656 + 6298657.

It is an arithmetic number, because the mean of its divisors is an integer number (6298657).

Almost surely, 212597313 is an apocalyptic number.

It is an amenable number.

12597313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12597313 is an equidigital number, since it uses as much as digits as its factorization.

12597313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 31.

The square root of 12597313 is about 3549.2693614320. The cubic root of 12597313 is about 232.6801348058.

The spelling of 12597313 in words is "twelve million, five hundred ninety-seven thousand, three hundred thirteen".