12807479 has 2 divisors, whose sum is σ = 12807480. Its totient is φ = 12807478.

The previous prime is 12807469. The next prime is 12807491. The reversal of 12807479 is 97470821.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12807479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12807419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6403739 + 6403740.

It is an arithmetic number, because the mean of its divisors is an integer number (6403740).

Almost surely, 2^12807479 is an apocalyptic number.

12807479 is a deficient number, since it is larger than the sum of its proper divisors (1).

12807479 is an equidigital number, since it uses as much as digits as its factorization.

12807479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 12807479 is about 3578.7538333895. The cubic root of 12807479 is about 233.9669700378.

The spelling of 12807479 in words is "twelve million, eight hundred seven thousand, four hundred seventy-nine".