Search a number
-
+
13086792 = 2333431409
BaseRepresentation
bin110001111011…
…000001001000
3220121212201000
4301323001020
511322234132
61144255000
7216143625
oct61730110
926555630
1013086792
117429334
124471460
132932884
141a4934c
15123787c
hexc7b048

13086792 has 64 divisors (see below), whose sum is σ = 37224000. Its totient is φ = 4257792.

The previous prime is 13086779. The next prime is 13086797. The reversal of 13086792 is 29768031.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13086797) 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, 8584 + ... + 9992.

It is an arithmetic number, because the mean of its divisors is an integer number (581625).

Almost surely, 213086792 is an apocalyptic number.

13086792 is a gapful number since it is divisible by the number (12) 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 13086792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18612000).

13086792 is an abundant number, since it is smaller than the sum of its proper divisors (24137208).

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

13086792 is a wasteful number, since it uses less digits than its factorization.

13086792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467 (or 1457 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 13086792 is about 3617.5671382851. The cubic root of 13086792 is about 235.6555830205.

It can be divided in two parts, 1308 and 6792, that added together give a square (8100 = 902).

The spelling of 13086792 in words is "thirteen million, eighty-six thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 43 54 72 86 108 129 172 216 258 344 387 516 774 1032 1161 1409 1548 2322 2818 3096 4227 4644 5636 8454 9288 11272 12681 16908 25362 33816 38043 50724 60587 76086 101448 121174 152172 181761 242348 304344 363522 484696 545283 727044 1090566 1454088 1635849 2181132 3271698 4362264 6543396 13086792