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12672479 is a prime number
BaseRepresentation
bin110000010101…
…110111011111
3212211211101002
4300111313133
511221004404
61131340515
7212500001
oct60256737
925754332
1012672479
117176026
1242b173b
132819111
14197c371
1511a4c1e
hexc15ddf

12672479 has 2 divisors, whose sum is σ = 12672480. Its totient is φ = 12672478.

The previous prime is 12672467. The next prime is 12672481. The reversal of 12672479 is 97427621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12672479 - 28 = 12672223 is a prime.

Together with 12672481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12672409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6336239 + 6336240.

It is an arithmetic number, because the mean of its divisors is an integer number (6336240).

Almost surely, 212672479 is an apocalyptic number.

12672479 is a deficient number, since it is larger than the sum of its proper divisors (1).

12672479 is an equidigital number, since it uses as much as digits as its factorization.

12672479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 38.

The square root of 12672479 is about 3559.8425526981. The cubic root of 12672479 is about 233.1420048355.

The spelling of 12672479 in words is "twelve million, six hundred seventy-two thousand, four hundred seventy-nine".