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12118014 = 232673223
BaseRepresentation
bin101110001110…
…011111111110
3211210122210100
4232032133332
511100234024
61111421530
7205000326
oct56163776
924718710
1012118014
116927497
1240848a6
13268392c
141876286
1510e57c9
hexb8e7fe

12118014 has 12 divisors (see below), whose sum is σ = 26255736. Its totient is φ = 4039332.

The previous prime is 12118013. The next prime is 12118019. The reversal of 12118014 is 41081121.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 673223 = 12118014 / (1 + 2 + 1 + 1 + 8 + 0 + 1 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12118013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 336594 + ... + 336629.

It is an arithmetic number, because the mean of its divisors is an integer number (2187978).

Almost surely, 212118014 is an apocalyptic number.

12118014 is an abundant number, since it is smaller than the sum of its proper divisors (14137722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12118014 is a wasteful number, since it uses less digits than its factorization.

12118014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673231 (or 673228 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 12118014 is about 3481.0937936229. The cubic root of 12118014 is about 229.6909143738.

Adding to 12118014 its reverse (41081121), we get a palindrome (53199135).

The spelling of 12118014 in words is "twelve million, one hundred eighteen thousand, fourteen".

Divisors: 1 2 3 6 9 18 673223 1346446 2019669 4039338 6059007 12118014