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13066249 = 74153859
BaseRepresentation
bin110001110110…
…000000001001
3220120211112011
4301312000021
511321104444
61144015521
7216030010
oct61660011
926524464
1013066249
117414959
1244615a1
132926411
141a41a77
151231734
hexc76009

13066249 has 16 divisors (see below), whose sum is σ = 15603840. Its totient is φ = 10707840.

The previous prime is 13066241. The next prime is 13066253. The reversal of 13066249 is 94266031.

It is a cyclic number.

It is not a de Polignac number, because 13066249 - 23 = 13066241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13066249.

It is not an unprimeable number, because it can be changed into a prime (13066241) 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, 14782 + ... + 15640.

It is an arithmetic number, because the mean of its divisors is an integer number (975240).

Almost surely, 213066249 is an apocalyptic number.

It is an amenable number.

13066249 is a deficient number, since it is larger than the sum of its proper divisors (2537591).

13066249 is an equidigital number, since it uses as much as digits as its factorization.

13066249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 13066249 is about 3614.7266839970. The cubic root of 13066249 is about 235.5322116105.

The spelling of 13066249 in words is "thirteen million, sixty-six thousand, two hundred forty-nine".

Divisors: 1 7 41 53 287 371 859 2173 6013 15211 35219 45527 246533 318689 1866607 13066249