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12054260 = 225602713
BaseRepresentation
bin101101111110…
…111011110100
3211200102100002
4231332323310
511041214020
61110210432
7204313421
oct55767364
924612302
1012054260
1168935a9
124053a18
1326608ca
14185ad48
1510d1975
hexb7eef4

12054260 has 12 divisors (see below), whose sum is σ = 25313988. Its totient is φ = 4821696.

The previous prime is 12054253. The next prime is 12054269. The reversal of 12054260 is 6245021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8690704 + 3363556 = 2948^2 + 1834^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 602713 = 12054260 / (1 + 2 + 0 + 5 + 4 + 2 + 6 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12054269) 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 3 ways as a sum of consecutive naturals, for example, 301337 + ... + 301376.

It is an arithmetic number, because the mean of its divisors is an integer number (2109499).

Almost surely, 212054260 is an apocalyptic number.

12054260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12054260 is an abundant number, since it is smaller than the sum of its proper divisors (13259728).

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

12054260 is a wasteful number, since it uses less digits than its factorization.

12054260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602722 (or 602720 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12054260 is about 3471.9245383505. The cubic root of 12054260 is about 229.2873974684.

Adding to 12054260 its reverse (6245021), we get a palindrome (18299281).

The spelling of 12054260 in words is "twelve million, fifty-four thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 602713 1205426 2410852 3013565 6027130 12054260