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12716080 = 2451312227
BaseRepresentation
bin110000100000…
…100000110000
3212221001011221
4300200200300
511223403310
61132314424
7213041056
oct60404060
925831157
1012716080
1171a5863
124312a14
132832c10
1419901d6
1511b2ada
hexc20830

12716080 has 40 divisors (see below), whose sum is σ = 31841712. Its totient is φ = 4694784.

The previous prime is 12716063. The next prime is 12716087. The reversal of 12716080 is 8061721.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12716087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5074 + ... + 7153.

Almost surely, 212716080 is an apocalyptic number.

12716080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12716080 is an abundant number, since it is smaller than the sum of its proper divisors (19125632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12716080 is a wasteful number, since it uses less digits than its factorization.

12716080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12253 (or 12247 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 12716080 is about 3565.9613009678. The cubic root of 12716080 is about 233.4090819825.

The spelling of 12716080 in words is "twelve million, seven hundred sixteen thousand, eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 12227 24454 48908 61135 97816 122270 158951 195632 244540 317902 489080 635804 794755 978160 1271608 1589510 2543216 3179020 6358040 12716080