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12870103 is a prime number
BaseRepresentation
bin110001000110…
…000111010111
3220012212110111
4301012013113
511243320403
61135503451
7214252111
oct61060727
926185414
1012870103
1172a0554
124387b87
13288805c
1419d03b1
1511e356d
hexc461d7

12870103 has 2 divisors, whose sum is σ = 12870104. Its totient is φ = 12870102.

The previous prime is 12870101. The next prime is 12870107. The reversal of 12870103 is 30107821.

12870103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (30107821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12870103 - 21 = 12870101 is a prime.

Together with 12870101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12870101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6435051 + 6435052.

It is an arithmetic number, because the mean of its divisors is an integer number (6435052).

Almost surely, 212870103 is an apocalyptic number.

12870103 is a deficient number, since it is larger than the sum of its proper divisors (1).

12870103 is an equidigital number, since it uses as much as digits as its factorization.

12870103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 12870103 is about 3587.4925783895. The cubic root of 12870103 is about 234.3476885035.

Adding to 12870103 its reverse (30107821), we get a palindrome (42977924).

The spelling of 12870103 in words is "twelve million, eight hundred seventy thousand, one hundred three".