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13196906 = 219347287
BaseRepresentation
bin110010010101…
…111001101010
3220211110202022
4302111321222
511334300111
61150504442
7220112642
oct62257152
926743668
1013196906
1174a4038
124505122
132970a28
141a77522
15125a2db
hexc95e6a

13196906 has 8 divisors (see below), whose sum is σ = 20837280. Its totient is φ = 6251148.

The previous prime is 13196903. The next prime is 13196921. The reversal of 13196906 is 60969131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13196903) by changing a digit.

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, 173606 + ... + 173681.

It is an arithmetic number, because the mean of its divisors is an integer number (2604660).

Almost surely, 213196906 is an apocalyptic number.

13196906 is a deficient number, since it is larger than the sum of its proper divisors (7640374).

13196906 is a wasteful number, since it uses less digits than its factorization.

13196906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347308.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 13196906 is about 3632.7546022268. The cubic root of 13196906 is about 236.3146836313.

The spelling of 13196906 in words is "thirteen million, one hundred ninety-six thousand, nine hundred six".

Divisors: 1 2 19 38 347287 694574 6598453 13196906