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12701418 = 232116903
BaseRepresentation
bin110000011100…
…111011101010
3212220022001220
4300130323222
511222421133
61132122510
7212650242
oct60347352
925808056
1012701418
117195844
124306436
132829342
141988b22
1511ad5b3
hexc1ceea

12701418 has 8 divisors (see below), whose sum is σ = 25402848. Its totient is φ = 4233804.

The previous prime is 12701387. The next prime is 12701441. The reversal of 12701418 is 81410721.

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

12701418 is an admirable number.

It is a super-2 number, since 2×127014182 = 322652038421448, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1058446 + ... + 1058457.

It is an arithmetic number, because the mean of its divisors is an integer number (3175356).

Almost surely, 212701418 is an apocalyptic number.

12701418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12701418 is a wasteful number, since it uses less digits than its factorization.

12701418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116908.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 12701418 is about 3563.9048808856. The cubic root of 12701418 is about 233.3193383896.

The spelling of 12701418 in words is "twelve million, seven hundred one thousand, four hundred eighteen".

Divisors: 1 2 3 6 2116903 4233806 6350709 12701418