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12906379 is a prime number
BaseRepresentation
bin110001001110…
…111110001011
3220021201020001
4301032332023
511301001004
61140343431
7214462633
oct61167613
926251201
1012906379
117315832
1243a4b77
13289b715
1419dd6c3
1511ee1a4
hexc4ef8b

12906379 has 2 divisors, whose sum is σ = 12906380. Its totient is φ = 12906378.

The previous prime is 12906371. The next prime is 12906403. The reversal of 12906379 is 97360921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12906379 - 23 = 12906371 is a prime.

It is not a weakly prime, because it can be changed into another prime (12906371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6453189 + 6453190.

It is an arithmetic number, because the mean of its divisors is an integer number (6453190).

Almost surely, 212906379 is an apocalyptic number.

12906379 is a deficient number, since it is larger than the sum of its proper divisors (1).

12906379 is an equidigital number, since it uses as much as digits as its factorization.

12906379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 12906379 is about 3592.5449196913. The cubic root of 12906379 is about 234.5676614128.

The spelling of 12906379 in words is "twelve million, nine hundred six thousand, three hundred seventy-nine".