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13266869 = 711172297
BaseRepresentation
bin110010100110…
…111110110101
3220222000201112
4302212332311
511344014434
61152204405
7220523630
oct62467665
926860645
1013266869
117541660
124539705
132996825
141a94c17
151270dce
hexca6fb5

13266869 has 8 divisors (see below), whose sum is σ = 16540608. Its totient is φ = 10337760.

The previous prime is 13266839. The next prime is 13266889. The reversal of 13266869 is 96866231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13266869 is a prime.

It is a super-2 number, since 2×132668692 = 352019626126322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13266839) 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, 86072 + ... + 86225.

It is an arithmetic number, because the mean of its divisors is an integer number (2067576).

Almost surely, 213266869 is an apocalyptic number.

It is an amenable number.

13266869 is a deficient number, since it is larger than the sum of its proper divisors (3273739).

13266869 is a wasteful number, since it uses less digits than its factorization.

13266869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172315.

The product of its digits is 93312, while the sum is 41.

The square root of 13266869 is about 3642.3713429578. The cubic root of 13266869 is about 236.7315528847.

The spelling of 13266869 in words is "thirteen million, two hundred sixty-six thousand, eight hundred sixty-nine".

Divisors: 1 7 11 77 172297 1206079 1895267 13266869