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12771030 = 235425701
BaseRepresentation
bin110000101101…
…111011010110
3220000211120010
4300231323112
511232133110
61133421050
7213360216
oct60557326
926024503
1012771030
117233078
12433a786
132851c2c
1419a6246
1511c4020
hexc2ded6

12771030 has 16 divisors (see below), whose sum is σ = 30650544. Its totient is φ = 3405600.

The previous prime is 12771023. The next prime is 12771037. The reversal of 12771030 is 3017721.

It is an interprime number because it is at equal distance from previous prime (12771023) and next prime (12771037).

It is a junction number, because it is equal to n+sod(n) for n = 12770988 and 12771006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12771037) 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, 212821 + ... + 212880.

It is an arithmetic number, because the mean of its divisors is an integer number (1915659).

Almost surely, 212771030 is an apocalyptic number.

12771030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12771030 is an abundant number, since it is smaller than the sum of its proper divisors (17879514).

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

12771030 is a wasteful number, since it uses less digits than its factorization.

12771030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425711.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 12771030 is about 3573.6577899961. The cubic root of 12771030 is about 233.7448090967.

Adding to 12771030 its reverse (3017721), we get a palindrome (15788751).

The spelling of 12771030 in words is "twelve million, seven hundred seventy-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 425701 851402 1277103 2128505 2554206 4257010 6385515 12771030