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13196379 = 37628399
BaseRepresentation
bin110010010101…
…110001011011
3220211110000210
4302111301123
511334241004
61150502203
7220111260
oct62256133
926743023
1013196379
1174a36a9
124504963
132970711
141a77267
15125a089
hexc95c5b

13196379 has 8 divisors (see below), whose sum is σ = 20108800. Its totient is φ = 7540776.

The previous prime is 13196377. The next prime is 13196389. The reversal of 13196379 is 97369131.

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

It is not a de Polignac number, because 13196379 - 21 = 13196377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13196371) 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 7 ways as a sum of consecutive naturals, for example, 314179 + ... + 314220.

It is an arithmetic number, because the mean of its divisors is an integer number (2513600).

Almost surely, 213196379 is an apocalyptic number.

13196379 is a deficient number, since it is larger than the sum of its proper divisors (6912421).

13196379 is an equidigital number, since it uses as much as digits as its factorization.

13196379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628409.

The product of its digits is 30618, while the sum is 39.

The square root of 13196379 is about 3632.6820670133. The cubic root of 13196379 is about 236.3115379572.

The spelling of 13196379 in words is "thirteen million, one hundred ninety-six thousand, three hundred seventy-nine".

Divisors: 1 3 7 21 628399 1885197 4398793 13196379