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13027678 = 2171073581
BaseRepresentation
bin110001101100…
…100101011110
3220111212121121
4301230211132
511313341203
61143121154
7215506366
oct61544536
926455547
1013027678
117398984
1244431ba
1329119b1
141a319a6
1512250bd
hexc6c95e

13027678 has 16 divisors (see below), whose sum is σ = 20890224. Its totient is φ = 6071680.

The previous prime is 13027669. The next prime is 13027691. The reversal of 13027678 is 87672031.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

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, 1848 + ... + 5428.

It is an arithmetic number, because the mean of its divisors is an integer number (1305639).

Almost surely, 213027678 is an apocalyptic number.

13027678 is a deficient number, since it is larger than the sum of its proper divisors (7862546).

13027678 is a wasteful number, since it uses less digits than its factorization.

13027678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 13027678 is about 3609.3874826624. The cubic root of 13027678 is about 235.3002228980.

The spelling of 13027678 in words is "thirteen million, twenty-seven thousand, six hundred seventy-eight".

Divisors: 1 2 17 34 107 214 1819 3581 3638 7162 60877 121754 383167 766334 6513839 13027678