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12716345 = 53768737
BaseRepresentation
bin110000100000…
…100100111001
3212221001112202
4300200210321
511223410340
61132315545
7213041615
oct60404471
925831482
1012716345
1171a5a84
124312bb5
132833085
141990345
1511b2c15
hexc20939

12716345 has 8 divisors (see below), whose sum is σ = 15672264. Its totient is φ = 9897984.

The previous prime is 12716317. The next prime is 12716351. The reversal of 12716345 is 54361721.

It can be written as a sum of positive squares in 4 ways, for example, as 2399401 + 10316944 = 1549^2 + 3212^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12716345 - 216 = 12650809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34184 + ... + 34553.

It is an arithmetic number, because the mean of its divisors is an integer number (1959033).

Almost surely, 212716345 is an apocalyptic number.

It is an amenable number.

12716345 is a deficient number, since it is larger than the sum of its proper divisors (2955919).

12716345 is an equidigital number, since it uses as much as digits as its factorization.

12716345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68779.

The product of its digits is 5040, while the sum is 29.

The square root of 12716345 is about 3565.9984576553. The cubic root of 12716345 is about 233.4107033673.

The spelling of 12716345 in words is "twelve million, seven hundred sixteen thousand, three hundred forty-five".

Divisors: 1 5 37 185 68737 343685 2543269 12716345