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14062721 is a prime number
BaseRepresentation
bin110101101001…
…010010000001
3222110110102112
4311221102001
512100001341
61221225105
7230350121
oct65512201
928413375
1014062721
117a35592
124862195
132bb4b4a
141c20c81
15137baeb
hexd69481

14062721 has 2 divisors, whose sum is σ = 14062722. Its totient is φ = 14062720.

The previous prime is 14062691. The next prime is 14062751. The reversal of 14062721 is 12726041.

It is a balanced prime because it is at equal distance from previous prime (14062691) and next prime (14062751).

It can be written as a sum of positive squares in only one way, i.e., 10471696 + 3591025 = 3236^2 + 1895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14062721 is a prime.

It is not a weakly prime, because it can be changed into another prime (14062751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7031360 + 7031361.

It is an arithmetic number, because the mean of its divisors is an integer number (7031361).

Almost surely, 214062721 is an apocalyptic number.

It is an amenable number.

14062721 is a deficient number, since it is larger than the sum of its proper divisors (1).

14062721 is an equidigital number, since it uses as much as digits as its factorization.

14062721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 14062721 is about 3750.0294665509. The cubic root of 14062721 is about 241.3736105783.

Adding to 14062721 its reverse (12726041), we get a palindrome (26788762).

The spelling of 14062721 in words is "fourteen million, sixty-two thousand, seven hundred twenty-one".