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12802397 is a prime number
BaseRepresentation
bin110000110101…
…100101011101
3220002102120212
4300311211131
511234134042
61134222205
7213550526
oct60654535
926072525
1012802397
1172546a3
124354965
1328632aa
1419b384d
1511cd482
hexc3595d

12802397 has 2 divisors, whose sum is σ = 12802398. Its totient is φ = 12802396.

The previous prime is 12802357. The next prime is 12802399. The reversal of 12802397 is 79320821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10982596 + 1819801 = 3314^2 + 1349^2 .

It is a cyclic number.

It is not a de Polignac number, because 12802397 - 212 = 12798301 is a prime.

Together with 12802399, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p837239 and since 12802397 and 837239 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12802399) 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, 6401198 + 6401199.

It is an arithmetic number, because the mean of its divisors is an integer number (6401199).

Almost surely, 212802397 is an apocalyptic number.

It is an amenable number.

12802397 is a deficient number, since it is larger than the sum of its proper divisors (1).

12802397 is an equidigital number, since it uses as much as digits as its factorization.

12802397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 12802397 is about 3578.0437392519. The cubic root of 12802397 is about 233.9360199592.

The spelling of 12802397 in words is "twelve million, eight hundred two thousand, three hundred ninety-seven".