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12313127 = 25747911
BaseRepresentation
bin101110111110…
…001000100111
3212011120102202
4232332020213
511123010002
61115525115
7206442221
oct56761047
925146382
1012313127
116a50042
12415979b
132721698
1418c7411
151133502
hexbbe227

12313127 has 4 divisors (see below), whose sum is σ = 12361296. Its totient is φ = 12264960.

The previous prime is 12313111. The next prime is 12313141. The reversal of 12313127 is 72131321.

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 12313127 - 24 = 12313111 is a prime.

It is a super-2 number, since 2×123131272 = 303226193036258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12313099 and 12313108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313157) 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, 23699 + ... + 24212.

It is an arithmetic number, because the mean of its divisors is an integer number (3090324).

Almost surely, 212313127 is an apocalyptic number.

12313127 is a deficient number, since it is larger than the sum of its proper divisors (48169).

12313127 is an equidigital number, since it uses as much as digits as its factorization.

12313127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48168.

The product of its digits is 252, while the sum is 20.

The square root of 12313127 is about 3509.0065545678. The cubic root of 12313127 is about 230.9171132444.

Adding to 12313127 its reverse (72131321), we get a palindrome (84444448).

The spelling of 12313127 in words is "twelve million, three hundred thirteen thousand, one hundred twenty-seven".

Divisors: 1 257 47911 12313127