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13196860 = 225659843
BaseRepresentation
bin110010010101…
…111000111100
3220211110200121
4302111320330
511334244420
61150504324
7220112545
oct62257074
926743617
1013196860
1174a3aa6
1245050a4
1329709c1
141a774cc
15125a2aa
hexc95e3c

13196860 has 12 divisors (see below), whose sum is σ = 27713448. Its totient is φ = 5278736.

The previous prime is 13196839. The next prime is 13196873. The reversal of 13196860 is 6869131.

It is a super-2 number, since 2×131968602 = 348314227719200, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 329902 + ... + 329941.

It is an arithmetic number, because the mean of its divisors is an integer number (2309454).

Almost surely, 213196860 is an apocalyptic number.

13196860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13196860 is an abundant number, since it is smaller than the sum of its proper divisors (14516588).

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

13196860 is a wasteful number, since it uses less digits than its factorization.

13196860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659852 (or 659850 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 13196860 is about 3632.7482709376. The cubic root of 13196860 is about 236.3144090596.

The spelling of 13196860 in words is "thirteen million, one hundred ninety-six thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 659843 1319686 2639372 3299215 6598430 13196860