Search a number
-
+
13126744 = 232371341
BaseRepresentation
bin110010000100…
…110001011000
3220200220111201
4302010301120
511330023434
61145203544
7216401251
oct62046130
926626451
1013126744
117456354
1244905b4
132947b07
141a59b28
151244614
hexc84c58

13126744 has 16 divisors (see below), whose sum is σ = 25683120. Its totient is φ = 6277920.

The previous prime is 13126741. The next prime is 13126769. The reversal of 13126744 is 44762131.

It is a super-2 number, since 2×131267442 = 344622816083072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13126741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35487 + ... + 35854.

It is an arithmetic number, because the mean of its divisors is an integer number (1605195).

Almost surely, 213126744 is an apocalyptic number.

It is an amenable number.

13126744 is a deficient number, since it is larger than the sum of its proper divisors (12556376).

13126744 is a wasteful number, since it uses less digits than its factorization.

13126744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71370 (or 71366 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 13126744 is about 3623.0848734193. The cubic root of 13126744 is about 235.8951463732.

Adding to 13126744 its reverse (44762131), we get a palindrome (57888875).

The spelling of 13126744 in words is "thirteen million, one hundred twenty-six thousand, seven hundred forty-four".

Divisors: 1 2 4 8 23 46 92 184 71341 142682 285364 570728 1640843 3281686 6563372 13126744