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12047641 is a prime number
BaseRepresentation
bin101101111101…
…010100011001
3211200002020221
4231331110121
511041011031
61110120041
7204255214
oct55752431
924602227
1012047641
116889631
124050021
13265a8a8
14185877b
1510cea11
hexb7d519

12047641 has 2 divisors, whose sum is σ = 12047642. Its totient is φ = 12047640.

The previous prime is 12047627. The next prime is 12047647. The reversal of 12047641 is 14674021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11055625 + 992016 = 3325^2 + 996^2 .

It is a cyclic number.

It is not a de Polignac number, because 12047641 - 27 = 12047513 is a prime.

It is not a weakly prime, because it can be changed into another prime (12047647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6023820 + 6023821.

It is an arithmetic number, because the mean of its divisors is an integer number (6023821).

Almost surely, 212047641 is an apocalyptic number.

It is an amenable number.

12047641 is a deficient number, since it is larger than the sum of its proper divisors (1).

12047641 is an equidigital number, since it uses as much as digits as its factorization.

12047641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 12047641 is about 3470.9711897393. The cubic root of 12047641 is about 229.2454225109.

The spelling of 12047641 in words is "twelve million, forty-seven thousand, six hundred forty-one".