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12060621 = 321340069
BaseRepresentation
bin101110000000…
…011111001101
3211200202001200
4232000133031
511041414441
61110300113
7204341106
oct56003715
924622050
1012060621
116898361
124057639
132663781
14185d3ad
1510d37b6
hexb807cd

12060621 has 6 divisors (see below), whose sum is σ = 17420910. Its totient is φ = 8040408.

The previous prime is 12060619. The next prime is 12060641. The reversal of 12060621 is 12606021.

It is a happy number.

12060621 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 only one way, i.e., 9455625 + 2604996 = 3075^2 + 1614^2 .

It is not a de Polignac number, because 12060621 - 21 = 12060619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12060594 and 12060603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12060641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 670026 + ... + 670043.

It is an arithmetic number, because the mean of its divisors is an integer number (2903485).

Almost surely, 212060621 is an apocalyptic number.

It is an amenable number.

12060621 is a deficient number, since it is larger than the sum of its proper divisors (5360289).

12060621 is a wasteful number, since it uses less digits than its factorization.

12060621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340075 (or 1340072 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12060621 is about 3472.8404800682. The cubic root of 12060621 is about 229.3277218201.

Adding to 12060621 its reverse (12606021), we get a palindrome (24666642).

The spelling of 12060621 in words is "twelve million, sixty thousand, six hundred twenty-one".

Divisors: 1 3 9 1340069 4020207 12060621