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12968017 = 29447173
BaseRepresentation
bin110001011110…
…000001010001
3220101211202221
4301132001101
511304434032
61141541041
7215140426
oct61360121
926354687
1012968017
117358077
124414781
1328c07aa
141a17d4d
151212597
hexc5e051

12968017 has 4 divisors (see below), whose sum is σ = 13415220. Its totient is φ = 12520816.

The previous prime is 12967973. The next prime is 12968029. The reversal of 12968017 is 71086921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71086921 = 445115971.

It can be written as a sum of positive squares in 2 ways, for example, as 4879681 + 8088336 = 2209^2 + 2844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12968017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12968077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223558 + ... + 223615.

It is an arithmetic number, because the mean of its divisors is an integer number (3353805).

Almost surely, 212968017 is an apocalyptic number.

It is an amenable number.

12968017 is a deficient number, since it is larger than the sum of its proper divisors (447203).

12968017 is an equidigital number, since it uses as much as digits as its factorization.

12968017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447202.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 12968017 is about 3601.1133000782. The cubic root of 12968017 is about 234.9404828906.

The spelling of 12968017 in words is "twelve million, nine hundred sixty-eight thousand, seventeen".

Divisors: 1 29 447173 12968017