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13006112 = 257311873
BaseRepresentation
bin110001100111…
…010100100000
3220110210000212
4301213110200
511312143422
61142433252
7215356460
oct61472440
926423025
1013006112
117383759
124432828
132904c32
141a27ba0
15121d9e2
hexc67520

13006112 has 48 divisors (see below), whose sum is σ = 30223872. Its totient is φ = 5391360.

The previous prime is 13006111. The next prime is 13006121. The reversal of 13006112 is 21160031.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (13006111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6008 + ... + 7880.

It is an arithmetic number, because the mean of its divisors is an integer number (629664).

Almost surely, 213006112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13006112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15111936).

13006112 is an abundant number, since it is smaller than the sum of its proper divisors (17217760).

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

13006112 is a wasteful number, since it uses less digits than its factorization.

13006112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921 (or 1913 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 13006112 is about 3606.3987577638. The cubic root of 13006112 is about 235.1703126335.

Adding to 13006112 its reverse (21160031), we get a palindrome (34166143).

The spelling of 13006112 in words is "thirteen million, six thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 31 32 56 62 112 124 217 224 248 434 496 868 992 1736 1873 3472 3746 6944 7492 13111 14984 26222 29968 52444 58063 59936 104888 116126 209776 232252 406441 419552 464504 812882 929008 1625764 1858016 3251528 6503056 13006112