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12709994 = 2117179103
BaseRepresentation
bin110000011111…
…000001101010
3212220201211112
4300133001222
511223204434
61132230322
7213014243
oct60370152
925821745
1012709994
1171a1230
12430b3a2
13283020b
14198bcca
1511b0dce
hexc1f06a

12709994 has 32 divisors (see below), whose sum is σ = 21565440. Its totient is φ = 5569200.

The previous prime is 12709979. The next prime is 12709997. The reversal of 12709994 is 49990721.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12709997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123347 + ... + 123449.

It is an arithmetic number, because the mean of its divisors is an integer number (673920).

Almost surely, 212709994 is an apocalyptic number.

12709994 is a deficient number, since it is larger than the sum of its proper divisors (8855446).

12709994 is a wasteful number, since it uses less digits than its factorization.

12709994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 12709994 is about 3565.1078525060. The cubic root of 12709994 is about 233.3718389968.

The spelling of 12709994 in words is "twelve million, seven hundred nine thousand, nine hundred ninety-four".

Divisors: 1 2 11 22 71 79 103 142 158 206 781 869 1133 1562 1738 2266 5609 7313 8137 11218 14626 16274 61699 80443 89507 123398 160886 179014 577727 1155454 6354997 12709994