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13513927 = 77127191
BaseRepresentation
bin110011100011…
…010011000111
3221102120121211
4303203103013
511424421202
61201352251
7222603130
oct63432307
927376554
1013513927
1176a0239
124638687
132a5210b
141b1ac87
1512be1d7
hexce34c7

13513927 has 8 divisors (see below), whose sum is σ = 15662592. Its totient is φ = 11419800.

The previous prime is 13513897. The next prime is 13513933. The reversal of 13513927 is 72931531.

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

It is not a de Polignac number, because 13513927 - 223 = 5125319 is a prime.

It is a super-2 number, since 2×135139272 = 365252445922658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13513937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13099 + ... + 14092.

It is an arithmetic number, because the mean of its divisors is an integer number (1957824).

Almost surely, 213513927 is an apocalyptic number.

13513927 is a deficient number, since it is larger than the sum of its proper divisors (2148665).

13513927 is an equidigital number, since it uses as much as digits as its factorization.

13513927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27269.

The product of its digits is 5670, while the sum is 31.

The square root of 13513927 is about 3676.1293502814. The cubic root of 13513927 is about 238.1920101525.

The spelling of 13513927 in words is "thirteen million, five hundred thirteen thousand, nine hundred twenty-seven".

Divisors: 1 7 71 497 27191 190337 1930561 13513927