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12803237 is a prime number
BaseRepresentation
bin110000110101…
…110010100101
3220002110201222
4300311302211
511234200422
61134230125
7213553136
oct60656245
926073658
1012803237
117255297
124355345
1328637a5
1419b3c8d
1511cd842
hexc35ca5

12803237 has 2 divisors, whose sum is σ = 12803238. Its totient is φ = 12803236.

The previous prime is 12803213. The next prime is 12803243. The reversal of 12803237 is 73230821.

12803237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7392961 + 5410276 = 2719^2 + 2326^2 .

It is a cyclic number.

It is not a de Polignac number, because 12803237 - 26 = 12803173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12803137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6401618 + 6401619.

It is an arithmetic number, because the mean of its divisors is an integer number (6401619).

Almost surely, 212803237 is an apocalyptic number.

It is an amenable number.

12803237 is a deficient number, since it is larger than the sum of its proper divisors (1).

12803237 is an equidigital number, since it uses as much as digits as its factorization.

12803237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 12803237 is about 3578.1611199050. The cubic root of 12803237 is about 233.9411362396.

The spelling of 12803237 in words is "twelve million, eight hundred three thousand, two hundred thirty-seven".