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13004872 = 2331411279
BaseRepresentation
bin110001100111…
…000001001000
3220110201022221
4301213001020
511312123442
61142423424
7215353036
oct61470110
926421287
1013004872
117382831
124431b74
1329044ba
141a27556
15121d467
hexc67048

13004872 has 32 divisors (see below), whose sum is σ = 25804800. Its totient is φ = 6134400.

The previous prime is 13004863. The next prime is 13004879. The reversal of 13004872 is 27840031.

It is not an unprimeable number, because it can be changed into a prime (13004879) 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, 9529 + ... + 10807.

It is an arithmetic number, because the mean of its divisors is an integer number (806400).

Almost surely, 213004872 is an apocalyptic number.

It is an amenable number.

13004872 is a deficient number, since it is larger than the sum of its proper divisors (12799928).

13004872 is a wasteful number, since it uses less digits than its factorization.

13004872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 13004872 is about 3606.2268370140. The cubic root of 13004872 is about 235.1628386998.

The spelling of 13004872 in words is "thirteen million, four thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 31 41 62 82 124 164 248 328 1271 1279 2542 2558 5084 5116 10168 10232 39649 52439 79298 104878 158596 209756 317192 419512 1625609 3251218 6502436 13004872