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13318893 = 3271631297
BaseRepresentation
bin110010110011…
…101011101101
3221001200002100
4302303223231
511402201033
61153245313
7221131410
oct62635355
927050070
1013318893
117577755
124563839
1329b4403
141aa9b77
151281513
hexcb3aed

13318893 has 24 divisors (see below), whose sum is σ = 22138688. Its totient is φ = 7558272.

The previous prime is 13318889. The next prime is 13318897. The reversal of 13318893 is 39881331.

It is an interprime number because it is at equal distance from previous prime (13318889) and next prime (13318897).

It is not a de Polignac number, because 13318893 - 22 = 13318889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13318897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9621 + ... + 10917.

Almost surely, 213318893 is an apocalyptic number.

It is an amenable number.

13318893 is a deficient number, since it is larger than the sum of its proper divisors (8819795).

13318893 is a wasteful number, since it uses less digits than its factorization.

13318893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473 (or 1470 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 13318893 is about 3649.5058569620. The cubic root of 13318893 is about 237.0405848352.

The spelling of 13318893 in words is "thirteen million, three hundred eighteen thousand, eight hundred ninety-three".

Divisors: 1 3 7 9 21 63 163 489 1141 1297 1467 3423 3891 9079 10269 11673 27237 81711 211411 634233 1479877 1902699 4439631 13318893