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13127373 = 33769457
BaseRepresentation
bin110010000100…
…111011001101
3220200221101000
4302010323031
511330033443
61145210513
7216403140
oct62047315
926627330
1013127373
117456876
124490a39
13294819c
141a5a057
1512448d3
hexc84ecd

13127373 has 16 divisors (see below), whose sum is σ = 22226560. Its totient is φ = 7501248.

The previous prime is 13127333. The next prime is 13127381. The reversal of 13127373 is 37372131.

13127373 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13127373 - 216 = 13061837 is a prime.

It is a super-2 number, since 2×131273732 = 344655843762258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

13127373 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13127333) 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, 34540 + ... + 34917.

It is an arithmetic number, because the mean of its divisors is an integer number (1389160).

Almost surely, 213127373 is an apocalyptic number.

It is an amenable number.

13127373 is a deficient number, since it is larger than the sum of its proper divisors (9099187).

13127373 is an equidigital number, since it uses as much as digits as its factorization.

13127373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69473 (or 69467 counting only the distinct ones).

The product of its digits is 2646, while the sum is 27.

The square root of 13127373 is about 3623.1716768599. The cubic root of 13127373 is about 235.8989141437.

The spelling of 13127373 in words is "thirteen million, one hundred twenty-seven thousand, three hundred seventy-three".

Divisors: 1 3 7 9 21 27 63 189 69457 208371 486199 625113 1458597 1875339 4375791 13127373