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13130275 = 522631997
BaseRepresentation
bin110010000101…
…101000100011
3220201002100111
4302011220203
511330132100
61145232151
7216414454
oct62055043
926632314
1013130275
117458a74
124492657
1329495c2
141a5b12b
1512456ba
hexc85a23

13130275 has 12 divisors (see below), whose sum is σ = 16351632. Its totient is φ = 10459040.

The previous prime is 13130251. The next prime is 13130297. The reversal of 13130275 is 57203131.

It is not a de Polignac number, because 13130275 - 27 = 13130147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5577 + ... + 7573.

It is an arithmetic number, because the mean of its divisors is an integer number (1362636).

Almost surely, 213130275 is an apocalyptic number.

13130275 is a deficient number, since it is larger than the sum of its proper divisors (3221357).

13130275 is a wasteful number, since it uses less digits than its factorization.

13130275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270 (or 2265 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 13130275 is about 3623.5721325786. The cubic root of 13130275 is about 235.9162958445.

The spelling of 13130275 in words is "thirteen million, one hundred thirty thousand, two hundred seventy-five".

Divisors: 1 5 25 263 1315 1997 6575 9985 49925 525211 2626055 13130275