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12980899 is a prime number
BaseRepresentation
bin110001100001…
…001010100011
3220102111110001
4301201022203
511310342044
61142120431
7215223121
oct61411243
926374401
1012980899
117366818
124420117
1328c6609
141a1c911
1512162d4
hexc612a3

12980899 has 2 divisors, whose sum is σ = 12980900. Its totient is φ = 12980898.

The previous prime is 12980879. The next prime is 12980939. The reversal of 12980899 is 99808921.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12980899 - 211 = 12978851 is a prime.

It is not a weakly prime, because it can be changed into another prime (12980879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6490449 + 6490450.

It is an arithmetic number, because the mean of its divisors is an integer number (6490450).

Almost surely, 212980899 is an apocalyptic number.

12980899 is a deficient number, since it is larger than the sum of its proper divisors (1).

12980899 is an equidigital number, since it uses as much as digits as its factorization.

12980899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 46.

The square root of 12980899 is about 3602.9014696491. The cubic root of 12980899 is about 235.0182511855.

The spelling of 12980899 in words is "twelve million, nine hundred eighty thousand, eight hundred ninety-nine".