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12802631 is a prime number
BaseRepresentation
bin110000110101…
…101001000111
3220002102220112
4300311221013
511234141011
61134223235
7213551312
oct60655107
926072815
1012802631
117254896
124354b1b
13286342a
1419b3979
1511cd58b
hexc35a47

12802631 has 2 divisors, whose sum is σ = 12802632. Its totient is φ = 12802630.

The previous prime is 12802613. The next prime is 12802681. The reversal of 12802631 is 13620821.

12802631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (12802613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12802631 - 26 = 12802567 is a prime.

It is a super-2 number, since 2×128026312 = 327814721044322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12802597 and 12802606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12802681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6401315 + 6401316.

It is an arithmetic number, because the mean of its divisors is an integer number (6401316).

Almost surely, 212802631 is an apocalyptic number.

12802631 is a deficient number, since it is larger than the sum of its proper divisors (1).

12802631 is an equidigital number, since it uses as much as digits as its factorization.

12802631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 12802631 is about 3578.0764385351. The cubic root of 12802631 is about 233.9374452313.

The spelling of 12802631 in words is "twelve million, eight hundred two thousand, six hundred thirty-one".