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12674481 = 34224827
BaseRepresentation
bin110000010110…
…010110110001
3212211221010020
4300112112301
511221040411
61131354053
7212505561
oct60262661
925757106
1012674481
117177586
1242b2929
132819cc1
14197cda1
1511a5606
hexc165b1

12674481 has 4 divisors (see below), whose sum is σ = 16899312. Its totient is φ = 8449652.

The previous prime is 12674477. The next prime is 12674483. The reversal of 12674481 is 18447621.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18447621 = 36149207.

It is a cyclic number.

It is not a de Polignac number, because 12674481 - 22 = 12674477 is a prime.

It is a super-2 number, since 2×126744812 = 321284937238722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12674483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2112411 + ... + 2112416.

It is an arithmetic number, because the mean of its divisors is an integer number (4224828).

Almost surely, 212674481 is an apocalyptic number.

It is an amenable number.

12674481 is a deficient number, since it is larger than the sum of its proper divisors (4224831).

12674481 is an equidigital number, since it uses as much as digits as its factorization.

12674481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224830.

The product of its digits is 10752, while the sum is 33.

The square root of 12674481 is about 3560.1237338048. The cubic root of 12674481 is about 233.1542814578.

The spelling of 12674481 in words is "twelve million, six hundred seventy-four thousand, four hundred eighty-one".

Divisors: 1 3 4224827 12674481