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12907073 is a prime number
BaseRepresentation
bin110001001111…
…001001000001
3220021202011202
4301033021001
511301011243
61140350545
7214464644
oct61171101
926252152
1012907073
117316303
1243a5455
13289bb2a
1419dda5b
1511ee4b8
hexc4f241

12907073 has 2 divisors, whose sum is σ = 12907074. Its totient is φ = 12907072.

The previous prime is 12907049. The next prime is 12907079. The reversal of 12907073 is 37070921.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7745089 + 5161984 = 2783^2 + 2272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12907073 is a prime.

It is not a weakly prime, because it can be changed into another prime (12907079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6453536 + 6453537.

It is an arithmetic number, because the mean of its divisors is an integer number (6453537).

Almost surely, 212907073 is an apocalyptic number.

It is an amenable number.

12907073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12907073 is an equidigital number, since it uses as much as digits as its factorization.

12907073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 12907073 is about 3592.6415073035. The cubic root of 12907073 is about 234.5718657173.

Adding to 12907073 its reverse (37070921), we get a palindrome (49977994).

The spelling of 12907073 in words is "twelve million, nine hundred seven thousand, seventy-three".