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13285270 = 257318199
BaseRepresentation
bin110010101011…
…011110010110
3220222221222001
4302223132112
511400112040
61152425514
7220631365
oct62533626
926887861
1013285270
117554469
12454829a
1329a200b
141a9b7dc
15127659a
hexcab796

13285270 has 16 divisors (see below), whose sum is σ = 24242400. Its totient is φ = 5241024.

The previous prime is 13285253. The next prime is 13285273. The reversal of 13285270 is 7258231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13285273) 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, 8370 + ... + 9829.

It is an arithmetic number, because the mean of its divisors is an integer number (1515150).

Almost surely, 213285270 is an apocalyptic number.

13285270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13285270 is a deficient number, since it is larger than the sum of its proper divisors (10957130).

13285270 is a wasteful number, since it uses less digits than its factorization.

13285270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18279.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 13285270 is about 3644.8964319991. The cubic root of 13285270 is about 236.8409503344.

The spelling of 13285270 in words is "thirteen million, two hundred eighty-five thousand, two hundred seventy".

Divisors: 1 2 5 10 73 146 365 730 18199 36398 90995 181990 1328527 2657054 6642635 13285270