Search a number
-
+
12051169 = 13927013
BaseRepresentation
bin101101111110…
…001011100001
3211200021002121
4231332023201
511041114134
61110144241
7204301414
oct55761341
924607077
1012051169
116891249
124052081
13265c390
141859b7b
1510d0ab4
hexb7e2e1

12051169 has 4 divisors (see below), whose sum is σ = 12978196. Its totient is φ = 11124144.

The previous prime is 12051167. The next prime is 12051197. The reversal of 12051169 is 96115021.

12051169 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 1292769 + 10758400 = 1137^2 + 3280^2 .

It is a cyclic number.

It is not a de Polignac number, because 12051169 - 21 = 12051167 is a prime.

It is a super-2 number, since 2×120511692 = 290461348533122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12051167) 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, 463494 + ... + 463519.

It is an arithmetic number, because the mean of its divisors is an integer number (3244549).

Almost surely, 212051169 is an apocalyptic number.

It is an amenable number.

12051169 is a deficient number, since it is larger than the sum of its proper divisors (927027).

12051169 is an equidigital number, since it uses as much as digits as its factorization.

12051169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927026.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 12051169 is about 3471.4793676472. The cubic root of 12051169 is about 229.2677975390.

The spelling of 12051169 in words is "twelve million, fifty-one thousand, one hundred sixty-nine".

Divisors: 1 13 927013 12051169