Search a number
-
+
13388586 = 232231431
BaseRepresentation
bin110011000100…
…101100101010
3221012012200120
4303010230222
511411413321
61154544110
7221541531
oct63045452
927165616
1013388586
117615052
124598036
132a0a053
141ac7318
151296ec6
hexcc4b2a

13388586 has 8 divisors (see below), whose sum is σ = 26777184. Its totient is φ = 4462860.

The previous prime is 13388581. The next prime is 13388629. The reversal of 13388586 is 68588331.

It is a sphenic number, since it is the product of 3 distinct primes.

13388586 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13388581) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1115710 + ... + 1115721.

It is an arithmetic number, because the mean of its divisors is an integer number (3347148).

Almost surely, 213388586 is an apocalyptic number.

13388586 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13388586 is a wasteful number, since it uses less digits than its factorization.

13388586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231436.

The product of its digits is 138240, while the sum is 42.

The square root of 13388586 is about 3659.0416778167. The cubic root of 13388586 is about 237.4533152930.

The spelling of 13388586 in words is "thirteen million, three hundred eighty-eight thousand, five hundred eighty-six".

Divisors: 1 2 3 6 2231431 4462862 6694293 13388586