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12873994 = 27919571
BaseRepresentation
bin110001000111…
…000100001010
3220020001210121
4301013010022
511243431434
61135533454
7214266340
oct61070412
926201717
1012873994
1172a3471
12438a28a
132889a63
1419d1990
1511e47b4
hexc4710a

12873994 has 8 divisors (see below), whose sum is σ = 22069728. Its totient is φ = 5517420.

The previous prime is 12873943. The next prime is 12874007. The reversal of 12873994 is 49937821.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12873994.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459772 + ... + 459799.

It is an arithmetic number, because the mean of its divisors is an integer number (2758716).

Almost surely, 212873994 is an apocalyptic number.

12873994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12873994 is a deficient number, since it is larger than the sum of its proper divisors (9195734).

12873994 is an equidigital number, since it uses as much as digits as its factorization.

12873994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919580.

The product of its digits is 108864, while the sum is 43.

The square root of 12873994 is about 3588.0348381809. The cubic root of 12873994 is about 234.3713027920.

The spelling of 12873994 in words is "twelve million, eight hundred seventy-three thousand, nine hundred ninety-four".

Divisors: 1 2 7 14 919571 1839142 6436997 12873994