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12124113 = 34041371
BaseRepresentation
bin101110001111…
…111111010001
3211210222011020
4232033333101
511100432423
61111510053
7205024161
oct56177721
924728136
1012124113
116931031
124088329
132686641
1418785a1
1510e74e3
hexb8ffd1

12124113 has 4 divisors (see below), whose sum is σ = 16165488. Its totient is φ = 8082740.

The previous prime is 12124097. The next prime is 12124129. The reversal of 12124113 is 31142121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12124097) and next prime (12124129).

It is a cyclic number.

It is not a de Polignac number, because 12124113 - 24 = 12124097 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12124092 and 12124101.

It is not an unprimeable number, because it can be changed into a prime (12124153) 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, 2020683 + ... + 2020688.

It is an arithmetic number, because the mean of its divisors is an integer number (4041372).

Almost surely, 212124113 is an apocalyptic number.

It is an amenable number.

12124113 is a deficient number, since it is larger than the sum of its proper divisors (4041375).

12124113 is an equidigital number, since it uses as much as digits as its factorization.

12124113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041374.

The product of its digits is 48, while the sum is 15.

The square root of 12124113 is about 3481.9697011893. The cubic root of 12124113 is about 229.7294424123.

Adding to 12124113 its reverse (31142121), we get a palindrome (43266234).

The spelling of 12124113 in words is "twelve million, one hundred twenty-four thousand, one hundred thirteen".

Divisors: 1 3 4041371 12124113