Search a number
-
+
12876130 = 251287613
BaseRepresentation
bin110001000111…
…100101100010
3220020011201201
4301013211202
511244014010
61135551414
7214305511
oct61074542
926204651
1012876130
1172a5033
12438b56a
13288aa17
1419d2678
1511e523a
hexc47962

12876130 has 8 divisors (see below), whose sum is σ = 23177052. Its totient is φ = 5150448.

The previous prime is 12876103. The next prime is 12876137. The reversal of 12876130 is 3167821.

It can be written as a sum of positive squares in 2 ways, for example, as 11703241 + 1172889 = 3421^2 + 1083^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12876137) 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, 643797 + ... + 643816.

Almost surely, 212876130 is an apocalyptic number.

12876130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12876130 is a deficient number, since it is larger than the sum of its proper divisors (10300922).

12876130 is a wasteful number, since it uses less digits than its factorization.

12876130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287620.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 12876130 is about 3588.3324818082. The cubic root of 12876130 is about 234.3842640486.

The spelling of 12876130 in words is "twelve million, eight hundred seventy-six thousand, one hundred thirty".

Divisors: 1 2 5 10 1287613 2575226 6438065 12876130