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12674427 = 34224809
BaseRepresentation
bin110000010110…
…010101111011
3212211221001020
4300112111323
511221040202
61131353523
7212505453
oct60262573
925757036
1012674427
117177537
1242b28a3
132819c7c
14197cd63
1511a55bc
hexc1657b

12674427 has 4 divisors (see below), whose sum is σ = 16899240. Its totient is φ = 8449616.

The previous prime is 12674413. The next prime is 12674429. The reversal of 12674427 is 72447621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72447621 = 324149207.

It is a cyclic number.

It is not a de Polignac number, because 12674427 - 28 = 12674171 is a prime.

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, 2112402 + ... + 2112407.

It is an arithmetic number, because the mean of its divisors is an integer number (4224810).

Almost surely, 212674427 is an apocalyptic number.

12674427 is a deficient number, since it is larger than the sum of its proper divisors (4224813).

12674427 is an equidigital number, since it uses as much as digits as its factorization.

12674427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224812.

The product of its digits is 18816, while the sum is 33.

The square root of 12674427 is about 3560.1161497906. The cubic root of 12674427 is about 233.1539503371.

The spelling of 12674427 in words is "twelve million, six hundred seventy-four thousand, four hundred twenty-seven".

Divisors: 1 3 4224809 12674427