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12713828 = 227189503
BaseRepresentation
bin110000011111…
…111101100100
3212220221002112
4300133331210
511223320303
61132300152
7213031361
oct60377544
925827075
1012713828
1171a40a6
124311658
132831b9a
14198d468
1511b20d8
hexc1ff64

12713828 has 24 divisors (see below), whose sum is σ = 22861440. Its totient is φ = 6184640.

The previous prime is 12713821. The next prime is 12713839. The reversal of 12713828 is 82831721.

It is a junction number, because it is equal to n+sod(n) for n = 12713794 and 12713803.

It is not an unprimeable number, because it can be changed into a prime (12713821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25025 + ... + 25527.

It is an arithmetic number, because the mean of its divisors is an integer number (952560).

Almost surely, 212713828 is an apocalyptic number.

It is an amenable number.

12713828 is a deficient number, since it is larger than the sum of its proper divisors (10147612).

12713828 is a wasteful number, since it uses less digits than its factorization.

12713828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 665 counting only the distinct ones).

The product of its digits is 5376, while the sum is 32.

The square root of 12713828 is about 3565.6455236044. The cubic root of 12713828 is about 233.3953023616.

The spelling of 12713828 in words is "twelve million, seven hundred thirteen thousand, eight hundred twenty-eight".

Divisors: 1 2 4 71 89 142 178 284 356 503 1006 2012 6319 12638 25276 35713 44767 71426 89534 142852 179068 3178457 6356914 12713828