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12135383 = 13271807
BaseRepresentation
bin101110010010…
…101111010111
3211211112121122
4232102233113
511101313013
61112034155
7205102061
oct56225727
924745548
1012135383
116939547
12409295b
13268b800
14187c731
1510eaa08
hexb92bd7

12135383 has 6 divisors (see below), whose sum is σ = 13140864. Its totient is φ = 11201736.

The previous prime is 12135367. The next prime is 12135413. The reversal of 12135383 is 38353121.

It is not a de Polignac number, because 12135383 - 24 = 12135367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12135313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35735 + ... + 36072.

It is an arithmetic number, because the mean of its divisors is an integer number (2190144).

Almost surely, 212135383 is an apocalyptic number.

12135383 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12135383 is a deficient number, since it is larger than the sum of its proper divisors (1005481).

12135383 is an equidigital number, since it uses as much as digits as its factorization.

12135383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71833 (or 71820 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 12135383 is about 3483.5876621667. The cubic root of 12135383 is about 229.8006022300.

The spelling of 12135383 in words is "twelve million, one hundred thirty-five thousand, three hundred eighty-three".

Divisors: 1 13 169 71807 933491 12135383