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13245166 = 2111931687
BaseRepresentation
bin110010100001…
…101011101110
3220220220221201
4302201223232
511342321131
61151520114
7220403434
oct62415356
926826851
1013245166
117527320
12452903a
13298999c
141a8ad54
151269761
hexca1aee

13245166 has 16 divisors (see below), whose sum is σ = 22815360. Its totient is φ = 5703480.

The previous prime is 13245151. The next prime is 13245187. The reversal of 13245166 is 66154231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15426 + ... + 16261.

It is an arithmetic number, because the mean of its divisors is an integer number (1425960).

Almost surely, 213245166 is an apocalyptic number.

13245166 is a deficient number, since it is larger than the sum of its proper divisors (9570194).

13245166 is a wasteful number, since it uses less digits than its factorization.

13245166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31719.

The product of its digits is 4320, while the sum is 28.

The square root of 13245166 is about 3639.3908831012. The cubic root of 13245166 is about 236.6023943259.

Adding to 13245166 its reverse (66154231), we get a palindrome (79399397).

The spelling of 13245166 in words is "thirteen million, two hundred forty-five thousand, one hundred sixty-six".

Divisors: 1 2 11 19 22 38 209 418 31687 63374 348557 602053 697114 1204106 6622583 13245166