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13986712 = 231748339
BaseRepresentation
bin110101010110…
…101110011000
3222022121011101
4311112232120
512040033322
61215441144
7226612405
oct65265630
928277141
1013986712
117993473
1248261b4
132b8937c
141c012ac
151364327
hexd56b98

13986712 has 8 divisors (see below), whose sum is σ = 26225100. Its totient is φ = 6993352.

The previous prime is 13986697. The next prime is 13986743. The reversal of 13986712 is 21768931.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×139867122 = 391256225141888, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 874162 + ... + 874177.

Almost surely, 213986712 is an apocalyptic number.

It is an amenable number.

13986712 is a deficient number, since it is larger than the sum of its proper divisors (12238388).

13986712 is a wasteful number, since it uses less digits than its factorization.

13986712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748345 (or 1748341 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 13986712 is about 3739.8812815382. The cubic root of 13986712 is about 240.9379499695.

The spelling of 13986712 in words is "thirteen million, nine hundred eighty-six thousand, seven hundred twelve".

Divisors: 1 2 4 8 1748339 3496678 6993356 13986712