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12268277 = 721092297
BaseRepresentation
bin101110110011…
…001011110101
3212002021220122
4232303023311
511120041102
61114541325
7206164400
oct56631365
925067818
1012268277
116a1a37a
124137845
132707148
1418b4d37
1511250a2
hexbb32f5

12268277 has 12 divisors (see below), whose sum is σ = 14408460. Its totient is φ = 10414656.

The previous prime is 12268273. The next prime is 12268301. The reversal of 12268277 is 77286221.

It can be written as a sum of positive squares in 2 ways, for example, as 7187761 + 5080516 = 2681^2 + 2254^2 .

It is not a de Polignac number, because 12268277 - 22 = 12268273 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12268273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4193 + ... + 6489.

It is an arithmetic number, because the mean of its divisors is an integer number (1200705).

Almost surely, 212268277 is an apocalyptic number.

It is an amenable number.

12268277 is a deficient number, since it is larger than the sum of its proper divisors (2140183).

12268277 is a wasteful number, since it uses less digits than its factorization.

12268277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420 (or 2413 counting only the distinct ones).

The product of its digits is 18816, while the sum is 35.

The square root of 12268277 is about 3502.6100268229. The cubic root of 12268277 is about 230.6364038152.

The spelling of 12268277 in words is "twelve million, two hundred sixty-eight thousand, two hundred seventy-seven".

Divisors: 1 7 49 109 763 2297 5341 16079 112553 250373 1752611 12268277