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12746379 = 317293853
BaseRepresentation
bin110000100111…
…111010001011
3212222120202010
4300213322023
511230341004
61133111003
7213225312
oct60477213
925876663
1012746379
1172165a8
124328463
132843949
14199b279
1511bba89
hexc27e8b

12746379 has 16 divisors (see below), whose sum is σ = 18077472. Its totient is φ = 7961088.

The previous prime is 12746339. The next prime is 12746381. The reversal of 12746379 is 97364721.

It is not a de Polignac number, because 12746379 - 211 = 12744331 is a prime.

It is a super-2 number, since 2×127463792 = 324940355223282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12746309) 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 15 ways as a sum of consecutive naturals, for example, 14517 + ... + 15369.

It is an arithmetic number, because the mean of its divisors is an integer number (1129842).

Almost surely, 212746379 is an apocalyptic number.

12746379 is a deficient number, since it is larger than the sum of its proper divisors (5331093).

12746379 is a wasteful number, since it uses less digits than its factorization.

12746379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166.

The product of its digits is 63504, while the sum is 39.

The square root of 12746379 is about 3570.2071368479. The cubic root of 12746379 is about 233.5943186345.

The spelling of 12746379 in words is "twelve million, seven hundred forty-six thousand, three hundred seventy-nine".

Divisors: 1 3 17 51 293 853 879 2559 4981 14501 14943 43503 249929 749787 4248793 12746379