Search a number
-
+
13086395 = 572912893
BaseRepresentation
bin110001111010…
…111010111011
3220121212011022
4301322322323
511322231040
61144253055
7216142520
oct61727273
926555138
1013086395
117429003
12447118b
13293263a
141a49147
1512376b5
hexc7aebb

13086395 has 16 divisors (see below), whose sum is σ = 18567360. Its totient is φ = 8663424.

The previous prime is 13086347. The next prime is 13086397. The reversal of 13086395 is 59368031.

It is not a de Polignac number, because 13086395 - 26 = 13086331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (13086397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5432 + ... + 7461.

It is an arithmetic number, because the mean of its divisors is an integer number (1160460).

Almost surely, 213086395 is an apocalyptic number.

13086395 is a deficient number, since it is larger than the sum of its proper divisors (5480965).

13086395 is a wasteful number, since it uses less digits than its factorization.

13086395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12934.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 13086395 is about 3617.5122667380. The cubic root of 13086395 is about 235.6532000527.

The spelling of 13086395 in words is "thirteen million, eighty-six thousand, three hundred ninety-five".

Divisors: 1 5 7 29 35 145 203 1015 12893 64465 90251 373897 451255 1869485 2617279 13086395