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12362881 is a prime number
BaseRepresentation
bin101111001010…
…010010000001
3212021002200111
4233022102001
511131103011
61120551321
7210040246
oct57122201
925232614
1012362881
116a84463
124182541
13273b21b
1418db5cd
151143121
hexbca481

12362881 has 2 divisors, whose sum is σ = 12362882. Its totient is φ = 12362880.

The previous prime is 12362879. The next prime is 12362899. The reversal of 12362881 is 18826321.

12362881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12362256 + 625 = 3516^2 + 25^2 .

It is a cyclic number.

It is not a de Polignac number, because 12362881 - 21 = 12362879 is a prime.

It is a super-2 number, since 2×123628812 = 305681653240322, which contains 22 as substring.

Together with 12362879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12362851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6181440 + 6181441.

It is an arithmetic number, because the mean of its divisors is an integer number (6181441).

Almost surely, 212362881 is an apocalyptic number.

It is an amenable number.

12362881 is a deficient number, since it is larger than the sum of its proper divisors (1).

12362881 is an equidigital number, since it uses as much as digits as its factorization.

12362881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 31.

The square root of 12362881 is about 3516.0888782851. The cubic root of 12362881 is about 231.2277196942.

The spelling of 12362881 in words is "twelve million, three hundred sixty-two thousand, eight hundred eighty-one".