[go: up one dir, main page]

Search a number
-
+
12867101 = 13989777
BaseRepresentation
bin110001000101…
…011000011101
3220012201100022
4301011120131
511243221401
61135441525
7214240262
oct61053035
926181308
1012867101
117299275
1243862a5
132886890
1419cd269
1511e271b
hexc4561d

12867101 has 4 divisors (see below), whose sum is σ = 13856892. Its totient is φ = 11877312.

The previous prime is 12867089. The next prime is 12867103. The reversal of 12867101 is 10176821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4305625 + 8561476 = 2075^2 + 2926^2 .

It is a cyclic number.

It is not a de Polignac number, because 12867101 - 218 = 12604957 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 (12867103) 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, 494876 + ... + 494901.

It is an arithmetic number, because the mean of its divisors is an integer number (3464223).

Almost surely, 212867101 is an apocalyptic number.

It is an amenable number.

12867101 is a deficient number, since it is larger than the sum of its proper divisors (989791).

12867101 is an equidigital number, since it uses as much as digits as its factorization.

12867101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989790.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 12867101 is about 3587.0741559104. The cubic root of 12867101 is about 234.3294662596.

The spelling of 12867101 in words is "twelve million, eight hundred sixty-seven thousand, one hundred one".

Divisors: 1 13 989777 12867101