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13381260 = 2235832687
BaseRepresentation
bin110011000010…
…111010001100
3221011211122020
4303002322030
511411200020
61154450140
7221511264
oct63027214
927154566
1013381260
11760a5a2
124593950
132a06909
141ac47a4
151294c40
hexcc2e8c

13381260 has 48 divisors (see below), whose sum is σ = 37933056. Its totient is φ = 3524032.

The previous prime is 13381241. The next prime is 13381271. The reversal of 13381260 is 6218331.

It is a self number, because there is not a number n which added to its sum of digits gives 13381260.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3637 + ... + 6323.

It is an arithmetic number, because the mean of its divisors is an integer number (790272).

Almost surely, 213381260 is an apocalyptic number.

13381260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13381260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18966528).

13381260 is an abundant number, since it is smaller than the sum of its proper divisors (24551796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13381260 is a wasteful number, since it uses less digits than its factorization.

13381260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782 (or 2780 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 13381260 is about 3658.0404590436. The cubic root of 13381260 is about 237.4099972913.

Adding to 13381260 its reverse (6218331), we get a palindrome (19599591).

The spelling of 13381260 in words is "thirteen million, three hundred eighty-one thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 83 166 249 332 415 498 830 996 1245 1660 2490 2687 4980 5374 8061 10748 13435 16122 26870 32244 40305 53740 80610 161220 223021 446042 669063 892084 1115105 1338126 2230210 2676252 3345315 4460420 6690630 13381260