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12754061 = 47271363
BaseRepresentation
bin110000101001…
…110010001101
3212222222021122
4300221302031
511231112221
61133210325
7213256565
oct60516215
925888248
1012754061
117221351
1243309a5
1328472a8
14199dda5
1511bdeab
hexc29c8d

12754061 has 4 divisors (see below), whose sum is σ = 13025472. Its totient is φ = 12482652.

The previous prime is 12754057. The next prime is 12754067. The reversal of 12754061 is 16045721.

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: 16045721 = 89180289.

It is a cyclic number.

It is not a de Polignac number, because 12754061 - 22 = 12754057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12754061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12754067) 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, 135635 + ... + 135728.

It is an arithmetic number, because the mean of its divisors is an integer number (3256368).

Almost surely, 212754061 is an apocalyptic number.

It is an amenable number.

12754061 is a deficient number, since it is larger than the sum of its proper divisors (271411).

12754061 is an equidigital number, since it uses as much as digits as its factorization.

12754061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271410.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 12754061 is about 3571.2828227403. The cubic root of 12754061 is about 233.6412368267.

Adding to 12754061 its reverse (16045721), we get a palindrome (28799782).

The spelling of 12754061 in words is "twelve million, seven hundred fifty-four thousand, sixty-one".

Divisors: 1 47 271363 12754061