12478699 has 2 divisors, whose sum is σ = 12478700. Its totient is φ = 12478698.

The previous prime is 12478681. The next prime is 12478717. The reversal of 12478699 is 99687421.

It is a balanced prime because it is at equal distance from previous prime (12478681) and next prime (12478717).

It is an emirp because it is prime and its reverse (99687421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12478699 is a prime.

It is not a weakly prime, because it can be changed into another prime (12478679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6239349 + 6239350.

It is an arithmetic number, because the mean of its divisors is an integer number (6239350).

Almost surely, 2^12478699 is an apocalyptic number.

12478699 is a deficient number, since it is larger than the sum of its proper divisors (1).

12478699 is an equidigital number, since it uses as much as digits as its factorization.

12478699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 46.

The square root of 12478699 is about 3532.5202051793. The cubic root of 12478699 is about 231.9475394166.

The spelling of 12478699 in words is "twelve million, four hundred seventy-eight thousand, six hundred ninety-nine".