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12699017 = 171913911
BaseRepresentation
bin110000011100…
…010110001001
3212220011202222
4300130112021
511222332032
61132103425
7212640242
oct60342611
925804688
1012699017
117193a61
124304b75
132828216
141987cc9
1511aca12
hexc1c589

12699017 has 8 divisors (see below), whose sum is σ = 13519872. Its totient is φ = 11886400.

The previous prime is 12698999. The next prime is 12699023. The reversal of 12699017 is 71099621.

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

It is not a de Polignac number, because 12699017 - 28 = 12698761 is a prime.

It is a super-2 number, since 2×126990172 = 322530065532578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12699077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1292 + ... + 5202.

It is an arithmetic number, because the mean of its divisors is an integer number (1689984).

Almost surely, 212699017 is an apocalyptic number.

12699017 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12699017 is a deficient number, since it is larger than the sum of its proper divisors (820855).

12699017 is a wasteful number, since it uses less digits than its factorization.

12699017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 12699017 is about 3563.5680153464. The cubic root of 12699017 is about 233.3046356997.

The spelling of 12699017 in words is "twelve million, six hundred ninety-nine thousand, seventeen".

Divisors: 1 17 191 3247 3911 66487 747001 12699017