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13127103 = 36111637
BaseRepresentation
bin110010000100…
…110110111111
3220200221000000
4302010312333
511330031403
61145205343
7216402303
oct62046677
926627000
1013127103
117456650
124490853
132948022
141a59d03
1512447a3
hexc84dbf

13127103 has 28 divisors (see below), whose sum is σ = 21484008. Its totient is φ = 7950960.

The previous prime is 13127099. The next prime is 13127113. The reversal of 13127103 is 30172131.

It is not a de Polignac number, because 13127103 - 22 = 13127099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13127113) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 7201 + ... + 8837.

It is an arithmetic number, because the mean of its divisors is an integer number (767286).

Almost surely, 213127103 is an apocalyptic number.

13127103 is a deficient number, since it is larger than the sum of its proper divisors (8356905).

13127103 is an equidigital number, since it uses as much as digits as its factorization.

13127103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666 (or 1651 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 13127103 is about 3623.1344164963. The cubic root of 13127103 is about 235.8972968325.

Adding to 13127103 its reverse (30172131), we get a palindrome (43299234).

The spelling of 13127103 in words is "thirteen million, one hundred twenty-seven thousand, one hundred three".

Divisors: 1 3 9 11 27 33 81 99 243 297 729 891 1637 2673 4911 8019 14733 18007 44199 54021 132597 162063 397791 486189 1193373 1458567 4375701 13127103