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12711070 = 251774771
BaseRepresentation
bin110000011111…
…010010011110
3212220210022101
4300133102132
511223223240
61132235314
7213020341
oct60372236
925823271
1012711070
1171a2019
12430bb3a
132830858
14198c458
1511b139a
hexc1f49e

12711070 has 16 divisors (see below), whose sum is σ = 24226128. Its totient is φ = 4785280.

The previous prime is 12711067. The next prime is 12711071. The reversal of 12711070 is 7011721.

It is a super-3 number, since 3×127110703 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12711071) 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, 37216 + ... + 37555.

It is an arithmetic number, because the mean of its divisors is an integer number (1514133).

Almost surely, 212711070 is an apocalyptic number.

12711070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12711070 is a deficient number, since it is larger than the sum of its proper divisors (11515058).

12711070 is a wasteful number, since it uses less digits than its factorization.

12711070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74795.

The product of its (nonzero) digits is 98, while the sum is 19.

The square root of 12711070 is about 3565.2587563878. The cubic root of 12711070 is about 233.3784243923.

Adding to 12711070 its reverse (7011721), we get a palindrome (19722791).

The spelling of 12711070 in words is "twelve million, seven hundred eleven thousand, seventy".

Divisors: 1 2 5 10 17 34 85 170 74771 149542 373855 747710 1271107 2542214 6355535 12711070