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12530039 is a prime number
BaseRepresentation
bin101111110011…
…000101110111
3212120120222112
4233303011313
511201430124
61124321235
7211334504
oct57630567
925516875
1012530039
117089005
12424321b
132799332
1419424ab
15117790e
hexbf3177

12530039 has 2 divisors, whose sum is σ = 12530040. Its totient is φ = 12530038.

The previous prime is 12530029. The next prime is 12530057. The reversal of 12530039 is 93003521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12530039 - 216 = 12464503 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12529996 and 12530023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12530029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6265019 + 6265020.

It is an arithmetic number, because the mean of its divisors is an integer number (6265020).

Almost surely, 212530039 is an apocalyptic number.

12530039 is a deficient number, since it is larger than the sum of its proper divisors (1).

12530039 is an equidigital number, since it uses as much as digits as its factorization.

12530039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 12530039 is about 3539.7795129075. The cubic root of 12530039 is about 232.2651978778.

The spelling of 12530039 in words is "twelve million, five hundred thirty thousand, thirty-nine".