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12696807 = 3171913103
BaseRepresentation
bin110000011011…
…110011100111
3212220001202010
4300123303213
511222244212
61132045303
7212630634
oct60336347
925801663
1012696807
117192332
124303833
132827206
14198718b
1511ac03c
hexc1bce7

12696807 has 16 divisors (see below), whose sum is σ = 18869760. Its totient is φ = 7546752.

The previous prime is 12696781. The next prime is 12696857. The reversal of 12696807 is 70869621.

It is not a de Polignac number, because 12696807 - 27 = 12696679 is a prime.

It is a super-2 number, since 2×126968072 = 322417815990498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12696857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5583 + ... + 7520.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 212696807 is an apocalyptic number.

12696807 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12696807 is a deficient number, since it is larger than the sum of its proper divisors (6172953).

12696807 is a wasteful number, since it uses less digits than its factorization.

12696807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13142.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 12696807 is about 3563.2579193766. The cubic root of 12696807 is about 233.2911009734.

The spelling of 12696807 in words is "twelve million, six hundred ninety-six thousand, eight hundred seven".

Divisors: 1 3 17 19 51 57 323 969 13103 39309 222751 248957 668253 746871 4232269 12696807