Search a number
-
+
12126130 = 251212613
BaseRepresentation
bin101110010000…
…011110110010
3211211001220221
4232100132302
511101014010
61111523254
7205033102
oct56203662
924731827
1012126130
1169325a5
12408952a
132687533
141879202
1510e7dda
hexb907b2

12126130 has 8 divisors (see below), whose sum is σ = 21827052. Its totient is φ = 4850448.

The previous prime is 12126109. The next prime is 12126131. The reversal of 12126130 is 3162121.

12126130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11675889 + 450241 = 3417^2 + 671^2 .

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 (12126131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606297 + ... + 606316.

Almost surely, 212126130 is an apocalyptic number.

12126130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12126130 is a deficient number, since it is larger than the sum of its proper divisors (9700922).

12126130 is a wasteful number, since it uses less digits than its factorization.

12126130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212620.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 12126130 is about 3482.2593240596. The cubic root of 12126130 is about 229.7421811749.

Adding to 12126130 its reverse (3162121), we get a palindrome (15288251).

The spelling of 12126130 in words is "twelve million, one hundred twenty-six thousand, one hundred thirty".

Divisors: 1 2 5 10 1212613 2425226 6063065 12126130