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12772870 = 2511831399
BaseRepresentation
bin110000101110…
…011000000110
3220000221002021
4300232120012
511232212440
61133433354
7213365455
oct60563006
926027067
1012772870
1172344a0
12433b85a
132852a16
1419a6b9c
1511c484a
hexc2e606

12772870 has 32 divisors (see below), whose sum is σ = 25401600. Its totient is φ = 4585440.

The previous prime is 12772817. The next prime is 12772871. The reversal of 12772870 is 7827721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12772871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8431 + ... + 9829.

It is an arithmetic number, because the mean of its divisors is an integer number (793800).

Almost surely, 212772870 is an apocalyptic number.

12772870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12772870 is a deficient number, since it is larger than the sum of its proper divisors (12628730).

12772870 is a wasteful number, since it uses less digits than its factorization.

12772870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500.

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 12772870 is about 3573.9152200353. The cubic root of 12772870 is about 233.7560342366.

The spelling of 12772870 in words is "twelve million, seven hundred seventy-two thousand, eight hundred seventy".

Divisors: 1 2 5 10 11 22 55 83 110 166 415 830 913 1399 1826 2798 4565 6995 9130 13990 15389 30778 76945 116117 153890 232234 580585 1161170 1277287 2554574 6386435 12772870