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13879195 = 5111271987
BaseRepresentation
bin110100111100…
…011110011011
3222010010200021
4310330132123
512023113240
61213251311
7225654061
oct64743633
928103607
1013879195
11791a710
124793b37
132b4c455
141bb4031
15134254a
hexd3c79b

13879195 has 16 divisors (see below), whose sum is σ = 18321408. Its totient is φ = 10009440.

The previous prime is 13879193. The next prime is 13879207. The reversal of 13879195 is 59197831.

It is not a de Polignac number, because 13879195 - 21 = 13879193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13879193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5992 + ... + 7978.

It is an arithmetic number, because the mean of its divisors is an integer number (1145088).

Almost surely, 213879195 is an apocalyptic number.

13879195 is a deficient number, since it is larger than the sum of its proper divisors (4442213).

13879195 is a wasteful number, since it uses less digits than its factorization.

13879195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130.

The product of its digits is 68040, while the sum is 43.

The square root of 13879195 is about 3725.4791638124. The cubic root of 13879195 is about 240.3189913403.

The spelling of 13879195 in words is "thirteen million, eight hundred seventy-nine thousand, one hundred ninety-five".

Divisors: 1 5 11 55 127 635 1397 1987 6985 9935 21857 109285 252349 1261745 2775839 13879195