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13321168 = 247831433
BaseRepresentation
bin110010110100…
…001111010000
3221001210012121
4302310033100
511402234133
61153304024
7221141140
oct62641720
927053177
1013321168
117579433
124565014
1329b5463
141aaa920
15128202d
hexcb43d0

13321168 has 40 divisors (see below), whose sum is σ = 29873088. Its totient is φ = 5636352.

The previous prime is 13321151. The next prime is 13321169. The reversal of 13321168 is 86112331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321169) 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 7 ways as a sum of consecutive naturals, for example, 8580 + ... + 10012.

Almost surely, 213321168 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 13321168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14936544).

13321168 is an abundant number, since it is smaller than the sum of its proper divisors (16551920).

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

13321168 is a wasteful number, since it uses less digits than its factorization.

13321168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531 (or 1525 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 13321168 is about 3649.8175296856. The cubic root of 13321168 is about 237.0540803669.

Adding to 13321168 its reverse (86112331), we get a palindrome (99433499).

It can be divided in two parts, 1332 and 1168, that added together give a square (2500 = 502).

The spelling of 13321168 in words is "thirteen million, three hundred twenty-one thousand, one hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 83 112 166 332 581 664 1162 1328 1433 2324 2866 4648 5732 9296 10031 11464 20062 22928 40124 80248 118939 160496 237878 475756 832573 951512 1665146 1903024 3330292 6660584 13321168