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12294271 = 111117661
BaseRepresentation
bin101110111001…
…100001111111
3212010121120101
4232321201333
511121404041
61115301531
7206333233
oct56714177
925117511
1012294271
116a37960
12414a8a7
132715c22
1418c05c3
15112cb31
hexbb987f

12294271 has 4 divisors (see below), whose sum is σ = 13411944. Its totient is φ = 11176600.

The previous prime is 12294253. The next prime is 12294277. The reversal of 12294271 is 17249221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12294271 - 25 = 12294239 is a prime.

It is a super-2 number, since 2×122942712 = 302298198842882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12294277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558820 + ... + 558841.

It is an arithmetic number, because the mean of its divisors is an integer number (3352986).

Almost surely, 212294271 is an apocalyptic number.

12294271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12294271 is a deficient number, since it is larger than the sum of its proper divisors (1117673).

12294271 is a wasteful number, since it uses less digits than its factorization.

12294271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117672.

The product of its digits is 2016, while the sum is 28.

The square root of 12294271 is about 3506.3187248167. The cubic root of 12294271 is about 230.7991795519.

The spelling of 12294271 in words is "twelve million, two hundred ninety-four thousand, two hundred seventy-one".

Divisors: 1 11 1117661 12294271