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13006982 = 2191013389
BaseRepresentation
bin110001100111…
…100010000110
3220110211020002
4301213202012
511312210412
61142441302
7215362142
oct61474206
926424202
1013006982
11738437a
124433232
132905451
141a28222
15121ddc2
hexc67886

13006982 has 16 divisors (see below), whose sum is σ = 20746800. Its totient is φ = 6098400.

The previous prime is 13006967. The next prime is 13006997. The reversal of 13006982 is 28960031.

It is an interprime number because it is at equal distance from previous prime (13006967) and next prime (13006997).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2144 + ... + 5532.

It is an arithmetic number, because the mean of its divisors is an integer number (1296675).

Almost surely, 213006982 is an apocalyptic number.

13006982 is a deficient number, since it is larger than the sum of its proper divisors (7739818).

13006982 is a wasteful number, since it uses less digits than its factorization.

13006982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 13006982 is about 3606.5193746880. The cubic root of 13006982 is about 235.1755561582.

The spelling of 13006982 in words is "thirteen million, six thousand, nine hundred eighty-two".

Divisors: 1 2 19 38 101 202 1919 3389 3838 6778 64391 128782 342289 684578 6503491 13006982