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12606423 = 34202141
BaseRepresentation
bin110000000101…
…101111010111
3212201110202120
4300011233113
511211401143
61130111023
7212103264
oct60055727
925643676
1012606423
117130435
12427b473
1327c502b
14196226b
151190383
hexc05bd7

12606423 has 4 divisors (see below), whose sum is σ = 16808568. Its totient is φ = 8404280.

The previous prime is 12606409. The next prime is 12606427. The reversal of 12606423 is 32460621.

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 12606423 - 26 = 12606359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12606393 and 12606402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12606427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2101068 + ... + 2101073.

It is an arithmetic number, because the mean of its divisors is an integer number (4202142).

Almost surely, 212606423 is an apocalyptic number.

12606423 is a deficient number, since it is larger than the sum of its proper divisors (4202145).

12606423 is an equidigital number, since it uses as much as digits as its factorization.

12606423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4202144.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 12606423 is about 3550.5524922186. The cubic root of 12606423 is about 232.7362103954.

The spelling of 12606423 in words is "twelve million, six hundred six thousand, four hundred twenty-three".

Divisors: 1 3 4202141 12606423