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12907319 is a prime number
BaseRepresentation
bin110001001111…
…001100110111
3220021202111212
4301033030313
511301013234
61140352035
7214465445
oct61171467
926252455
1012907319
117316507
1243a561b
13289bc89
1419ddb95
1511ee5ce
hexc4f337

12907319 has 2 divisors, whose sum is σ = 12907320. Its totient is φ = 12907318.

The previous prime is 12907313. The next prime is 12907343. The reversal of 12907319 is 91370921.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12907319 is a prime.

It is a super-2 number, since 2×129073192 = 333197767535522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12907313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6453659 + 6453660.

It is an arithmetic number, because the mean of its divisors is an integer number (6453660).

Almost surely, 212907319 is an apocalyptic number.

12907319 is a deficient number, since it is larger than the sum of its proper divisors (1).

12907319 is an equidigital number, since it uses as much as digits as its factorization.

12907319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 12907319 is about 3592.6757437876. The cubic root of 12907319 is about 234.5733559677.

The spelling of 12907319 in words is "twelve million, nine hundred seven thousand, three hundred nineteen".