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12879076 = 2273171451
BaseRepresentation
bin110001001000…
…010011100100
3220020022202211
4301020103210
511244112301
61140013204
7214320220
oct61102344
926208684
1012879076
1172a7271
124391204
13288c172
1419d3780
1511e6051
hexc484e4

12879076 has 24 divisors (see below), whose sum is σ = 25857216. Its totient is φ = 5498400.

The previous prime is 12879067. The next prime is 12879079. The reversal of 12879076 is 67097821.

It is a super-2 number, since 2×128790762 = 331741197227552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12879079) 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, 8151 + ... + 9601.

It is an arithmetic number, because the mean of its divisors is an integer number (1077384).

Almost surely, 212879076 is an apocalyptic number.

It is an amenable number.

12879076 is an abundant number, since it is smaller than the sum of its proper divisors (12978140).

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

12879076 is a wasteful number, since it uses less digits than its factorization.

12879076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779 (or 1777 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 12879076 is about 3588.7429554093. The cubic root of 12879076 is about 234.4021380369.

The spelling of 12879076 in words is "twelve million, eight hundred seventy-nine thousand, seventy-six".

Divisors: 1 2 4 7 14 28 317 634 1268 1451 2219 2902 4438 5804 8876 10157 20314 40628 459967 919934 1839868 3219769 6439538 12879076