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12674423 = 71178513
BaseRepresentation
bin110000010110…
…010101110111
3212211221001002
4300112111313
511221040143
61131353515
7212505446
oct60262567
925757032
1012674423
117177533
1242b289b
132819c78
14197cd5d
1511a55b8
hexc16577

12674423 has 4 divisors (see below), whose sum is σ = 12853008. Its totient is φ = 12495840.

The previous prime is 12674413. The next prime is 12674429. The reversal of 12674423 is 32447621.

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 12674423 - 26 = 12674359 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 (12674429) 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, 89186 + ... + 89327.

It is an arithmetic number, because the mean of its divisors is an integer number (3213252).

Almost surely, 212674423 is an apocalyptic number.

12674423 is a deficient number, since it is larger than the sum of its proper divisors (178585).

12674423 is an equidigital number, since it uses as much as digits as its factorization.

12674423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178584.

The product of its digits is 8064, while the sum is 29.

The square root of 12674423 is about 3560.1155880112. The cubic root of 12674423 is about 233.1539258096.

The spelling of 12674423 in words is "twelve million, six hundred seventy-four thousand, four hundred twenty-three".

Divisors: 1 71 178513 12674423